Classifications

• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/38—Products with no well-defined composition, e.g. natural products
  • C11D3/386—Preparations containing enzymes, e.g. protease or amylase

Definitions

• the present invention relates to laundry and cleaning compositions comprising enzymes with xyloglucanase activity.
• endoglucanases (EC no. 3.2.1.4) constitute a group of hydrolases which catalyze endo hydrolysis of 1,4- ⁇ -D-glycosidic linkages in cellulose, cellulose derivatives (such as carboxy methyl cellulose and hydroxy ethyl cellulose), lichenin, ⁇ -1,4 bonds in mixed ⁇ -
• glucans such as cereal ⁇ -D-glucans or xyloglucans
• other plant material containing cellulosic parts such as cereal ⁇ -D-glucans or xyloglucans
• the authorized name is endo-l,4- ⁇ -D-glucan 4-glucano hydrolase, but the abbreviated term endoglucanase is also used.
• Endoglucanases have been found to be produced by various types of organisms such as plants and microorganisms, and endoglucanases of a wide variety of specificities are said to have been identified. For instance, xyloglucan specific endoglucanases have been identified in various plants, see for example, the disclosure of Fry et al., Biochem. J. (1992), Vol. 282, pp 821-828, Nishitani and Tominaga, The Journal of Biol. Chemistry
• Endoglucanases having a high xyloglucan-degrading activity may be of particular use for degradations of cell wall material having a high xyloglucan content, for instance in the wine and fruit industry, for pectin-extraction and for removal of hemicelluloses from textile fibres". Specifically referred to for this last property is the use of these enzymes to manufacture textile fibers:
• endoglucanase of type II i.e., the xyloglucan-specific enzymes
• This endoglucanase may be used alone or together with other enzymes (e.g. pectinases) active on the pectic substances on the fibers.”
• endoglucanases of the invention and analogous thereof may be used to treat cellulose fibres or cellulose-fibre rich material.
• the endoglucanases may e.g. be used in the paper industry to improve the drainage of pulp, and to treat fabrics such as cotton fabrics, to give a more smooth fabric.” [At page 12.]
• An object of the invention is to provide laundry and cleaning compositions containing enzymes with a specified level of xyloglucanase activity.
• the present invention relates to laundry or cleaning products comprising one or more enzymes exhibiting endoglucanase activity specific for xyloglucan, preferably at a level of from about 0.001% to about 1%, more preferably from about 0.01% to about 0.5%, by weight of the composition.
• the present invention also relates to a method for laundering fabrics (preferably clothes), said method comprising contacting fabrics in need of cleaning with an aqueous solution containing an effective amount of one or more enzymes exhibiting endoglucanase activity specific for xyloglucan, preferably an aqueous solution of a composition according to the present invention.
• the present invention further relates to a method for cleaning dishes and tableware, said method comprising contacting dishes or tableware in need of cleaning with an aqueous solution containing an effective amount of one or more enzymes exhibiting endoglucanase activity specific for xyloglucan, preferably an aqueous solution of a composition according to the present invention, and more preferably in an automatic dishwashing machine.
• the term "endoglucanase activity” means the capability of the enzyme to hydrolyze 1,4- ⁇ -D-glycosidic linkages present in any cellulosic material, such as cellulose, cellulose derivatives, lichenin, ⁇ -D-glucan, or xyloglucan.
• the endoglucanase activity may be determined in accordance with methods known in the art, examples of which are described in WO 94/14953 and hereinafter.
• One unit of endoglucanase activity e.g.
• CMCU, AVIU, XGU or BGU is defined as the production of 1 ⁇ mol reducing sugar/min from a glucan substrate, the glucan substrate being, e.g., CMC (CMCU), acid swollen Avicell (AVIU), xyloglucan (XGU) or cereal ⁇ -glucan (BGU).
• CMCU CMC
• AVIU acid swollen Avicell
• XGU xyloglucan
• BGU cereal ⁇ -glucan
• the reducing sugars are determined as described in WO 94/14953 and hereinafter.
• the specific activity of an endoglucanase towards a substrate is defined as units/mg of protein.
• the invention relates to laundry and cleaning compositions comprising an enzyme exhibiting as its highest activity XGU endoglucanase activity (hereinafter "specific for xyloglucan”), which enzyme: i) is encoded by a DNA sequence comprising or included in at least one of the following partial sequences (a) ATTC ATTTGT GGAC AGTGGA C (SEQ ID No : 1 )
• the term "specific for xyloglucan” means that the endoglucanse enzyme exhibits its highest endoglucanase activity on a xyloglucan substrate, and preferably less than 75% activity, more preferably less than 50% activity, most preferably less than about 25% activity, on other cellulose-containing substrates such as carboxymethyl cellulose, cellulose, or other glucans.
• the specificity of an endoglucanase towards xyloglucan is further defined as a relative activity determined as the release of reducing sugars at optimal conditions obtained by incubation of the enzyme with xyloglucan and the other substrate to be tested, respectively.
• the specificity may be defined as the xyloglucan to ⁇ -glucan activity (XGU/BGU), xyloglucan to carboxy methyl cellulose activity (XGU/CMCU), or xyloglucan to acid swollen Avicell activity (XGU/AVIU), which is preferably greater than about 50, such as 75, 90 or 100.
• the term "derived from” as used herein refers not only to an endoglucanase produced by strain CBS 101.43, but also an endoglucanase encoded by a DNA sequence isolated from strain CBS 101.43 and produced in a host organism transformed with said DNA sequence.
• homologue indicates a polypeptide encoded by DNA which hybridizes to the same probe as the DNA coding for an endoglucanase enzyme specific for xyloglucan under certain specified conditions (such as presoaking in 5xSSC and prehybridizing for 1 h at -40°C in a solution of 5xSSC, 5xDenhardt's solution, and
• the term is intended to refer to a DNA sequence which is at least 70% homologous to any of the sequences shown above encoding an endoglucanase specific for xyloglucan, including at least 75%, at least 80%, at least 85%, at least 90% or even at least 95% with any of the sequences shown above.
• the term is intended to include modifications of any of the DNA sequences shown above, such as nucleotide substitutions which do not give rise to another amino acid sequence of the polypeptide encoded by the sequence, but which correspond to the codon usage of the host organism into which a DNA construct comprising any of the DNA sequences is introduced or nucleotide substitutions which do give rise to a different amino acid sequence and therefore, possibly, a different amino acid sequence and therefore, possibly, a different protein structure which might give rise to an endoglucanase mutant with different properties than the native enzyme.
• Other examples of possible modifications are insertion of one or more nucleotides into the sequence, addition of one or more nucleotides at either end of the sequence, or deletion of one or more nucleotides at either end or within the sequence.
• Endoglucanase specific for xyloglucan have been identified herein as particularly useful for their cleaning properties in laundry and cleaning compositions.
• Endoglucanase specific for xyloglucan useful in the present invention preferably is one which has a XGU/BGU, XGU/CMU and/or XGU/AVIU ratio (as defined above) of more than 50, such as 75, 90 or 100.
• endoglucanase specific for xyloglucan is preferably substantially devoid of activity towards ⁇ -glucan and/or exhibits at the most 25% such as at the most 10% or about 5%, activity towards carboxymethyl cellulose and/or Avicell when the activity towards xyloglucan is 100%.
• endoglucanase specific for xyloglucan of the invention is preferably substantially devoid of transferase activity, an activity which has been observed for most endoglucanases specific for xyloglucan of plant origin.
• Endoglucanase specific for xyloglucan may be obtained from the fungal species A. aculeatus, as described in WO 94/14953. Microbial endoglucanases specific for xyloglucan has also been described in WO 94/14953. Endoglucanases specific for xyloglucan from plants have been described, but these enzymes have transferase activity and therefore must be considered inferior to microbial endoglucanses specific for xyloglucan whenever extensive degradation of xyloglucan is desirable.
• An additional advantage of a microbial enzyme is that it, in general, may be produced in higher amounts in a microbial host, than enzymes of other origins.
• An enzyme of the invention may be isolated by a general method involving: - cloning, in suitable vectors, a DNA library from Aspergillus spp.,
• the DNA sequence coding for the enzyme may for instance be isolated by screening a cDNA library of Aspergillus aculeatus, e.g. strain CBS 101.43, publicly available from Centraalbureau voor Schimmelcultures, and selecting for clones expressing enzymes having the ability to hydrolyze ⁇ - 1 ,3 and/or ⁇ - 1 ,4 bonds between two glucose molecules in polymers containing glucose (e.g. cellulose, cereal ⁇ -glucans or xyloglucans). The appropriate DNA sequence may then be isolated from the clone by standard procedures, e.g. as described in WO 94/14953, Example 1.
• a DNA sequence coding for a homologous enzyme may be derived by similarly screening a cDNA library of another microorganism, in particular a fungus, such as a strain of Aspergillus, in particular . aculeatus or A. niger, a strain of Trichoderma, in particular T. harianun, T. reesie, a strain of Fusa um, in particular F. oxysporum or a strain of Humicola.
• a fungus such as a strain of Aspergillus, in particular . aculeatus or A. niger, a strain of Trichoderma, in particular T. harianun, T. reesie, a strain of Fusa um, in particular F. oxysporum or a strain of Humicola.
• the DNA coding for an endoglucanase of the invention may, in accordance with well-known procedures, conveniently be isolated from DNA from any of the above mentioned organisms by use of oligonucleotide probes, such as 20mer probes, prepared on the basis of a DNA sequence disclosed herein.
• oligonucleotide probes such as 20mer probes
• a suitable oligonucleotide probe may, e.g., be prepared on the basis of any of the partial nucleotide sequences a)-p) listed in WO 94/14953.
• the DNA sequence may subsequently be inserted into a recombinant expression vector.
• the vector may be an autonomously replicating vector, i.e. a vector which exists as an extrachromosomal entity, the replication of which is independent of chromosomal replication, e.g. a plasmid.
• the vector may be one which, when introduced into a host cell, is integrated into the host cell genome and replicated together with the chromosome(s) into which it has been integrated.
• the DNA sequence encoding the endoglucanase specific for xyloglucan should be operably connected to a suitable promoter and terminator sequence.
• the promoter may be any DNA sequence which shows transcriptional activity in the host cell of choice and may be derived from genes encoding proteins either homologous or heterologous to the host cell.
• the procedures used to ligate the DNA sequences coding for the endoglucanase, the promoter and the terminator, respectively, and to insert them into suitable vectors are well known to persons skilled in the art (cf, for instance, Sambrook et al., Molecular Cloning. A Laboratory Manual. Cold Spring Harbor, NY 1989).
• the host cell which is transformed with the DNA sequence encoding the enzyme useful for the present invention compositions is preferably a eukaryotic cell, in particular a fungal cell such as a yeast or filamentous fungal cell.
• the cell may belong to a species of Aspergillus, most preferably Aspergillus oryzae or Aspergillus niger.
• Fungal cells may be transformed by a process involving protoplast formation and transformation of the protoplasts followed by regeneration of the cell wall in a manner known in the art.
• the use of Aspergillus as a host microorganism is described in EP 238,023 (of Novo Nordisk A/S).
• the host cell may also be a yeast cell, e.g. a strain of Saccharomyces, in particular Saccharomyces cerevisiae.
• the medium used to culture the transformed host cells may be any conventional medium suitable for growing the host cells in question.
• the expressed endoglucanase specific for xyloglucan may conveniently be secreted into the culture medium and may be recovered therefrom by well-known procedures including separating the cells from the medium by centrifugation or filtration, precipitating proteinaceous components of the medium by means of a salt such as ammonium sulphate, followed by chromatographic procedures such as ion exchange chromatography, affinity chromatography, or the like.
• the thus purified endoglucanase may be employed for immunization of animals for the production of antibodies. More specifically, antiserum against the endoglucanase specific for xyloglucan may be raised by immunizing rabbits (or other rodents) according to the procedure described by N. Axelsen et al. in: A Manual of
• Purified immunoglobulins may be obtained from the antisera, for example by salt precipitation ((NH ⁇ SO-i), followed by dialysis and ion exchange chromatography, e.g. on DEAE-Sephadex.
• Immunochemical characterization of proteins may be done either by Outcherlony double-diffusion analysis (O. Ouchterlony in: Handbook of Experimental Immunology (D.M. Weir, Ed.), Blackwell Scientific Publications, 1967, pp. 655-706), by crossed immunoelectrophoresis (N. Axelsen et aL, supra, Chapters 3 and 4), or by rocket immunoelectrophoresis (N. Axelsen et aL, Chapter 2).
• the endoglucanases specific for xyloglucan useful in the present invention compositions may be produced essentially free from other plant cell wall degrading enzymes. This makes it possible to use the enzymes alone or together with other enzymes, such as galactanases and xylanases, to give the optimal combination of enzymes for a particular application. It is thereby possible to design enzyme combinations, which only degrade specific parts of the plant cell.
• the enzyme preparation useful in the present invention compositions may be prepared in accordance with methods known in the art and may be in the form of a liquid or a dry preparation. For instance, the enzyme preparation may be in the form of a granulate or a microgranulate.
• the enzyme to be included in the preparation may also be stabilized in accordance with methods known in the art.
• the enzyme preparation useful in the present compositions may, in addition to an endoglucanase specific for xyloglucan, contain one or more other detergent enzymes and/or other plant cell wall degrading enzymes, for instance those with cellulytic, xylanolytic or pectinolytic activities such as xylanase, arabinanase, rhamnogalacturonase, pectin acetylesterase, galactanase, polygalacturonase, pectin lyase, pectate lyase, endo-glucanase or pectin methylesterase.
• other detergent enzymes and/or other plant cell wall degrading enzymes for instance those with cellulytic, xylanolytic or pectinolytic activities such as xylanase, arabinanase, rhamnogalacturonase, pectin acetylesterase, galactanas
• the additional enzyme(s) may be producible by means of a microorganism belonging to the genus Aspergillus, preferably aspergillus niger, Aspergillus aculeatus, Aspergillus awamoi or Aspergillus oryzae.
• Test Methods Standard incubations: For characterization of enzymes, incubations are carried out in Eppendorf tubes comprising 1 ml of substrate (AZCL-xyloglucan substrates or pure polysaccharides from MegaZyme, Australia). 0.5ml 0.4% AZCL-substrate suspension is mixed with 0.5ml 0.1M citrate/phosphate buffer of optimal pH and 10 ⁇ l of a suitably diluted enzyme solution is added.
• Incubations are carried out in Eppendorf Theromixers for 15 minutes at 30°C (if not otherwise specified) before heat-inactivation for 20 minutes at 95°C.
• Enzyme incubations are carried out in triplicate. A blank is produced in which enzyme is added but inactivated immediately. After centrifugation the absorbance of the supernatant is measured in microtiter plates at 620nm and the blank is subtracted. The activities of the enzymes are measured on different pure polysaccharides: xyloglucan and ⁇ -glucan from MegaZyme (AZCL-xyloglucan and AZCL-HE cellulose), CMC (Blanose from Aqualon) and Avicell (microcrystaline cellulose from Merck).
• Avicell Before use, Avicell is swelled in 85% orthophosphoric acid for 1 hour at room temperature and washed with acetone and water. 0.5% solutions/suspensions of the different substrates are made in 0.1M acetate buffer (if not otherwise specified) of the optimal pH, lO ⁇ l enzyme solutions are added to 1ml of substrate, incubations are carried at 30°C for 15 minutes before heat-inactivation as above. Reducing sugars are determined by reaction, in microtiter plates, with a PHBAH reagent comprising 0.15 g of para hydroxy benzoic acid hydrazide (Sigma H-9882), 0.50 g of potassium-sodium tartrate (Merck 8087) and 2% NaOH solution up to 10.0 ml.
• PHBAH reagent comprising 0.15 g of para hydroxy benzoic acid hydrazide (Sigma H-9882), 0.50 g of potassium-sodium tartrate (Merck 8087) and 2% NaOH solution up to
• Glucose is used as a standard. pH optimum is measured on substrates from MegaZyme (for the enzymes described hereinafter: EG II on AZCL-xylogulcan, EG III on pure ⁇ -glucan, and EG IV on AZCL- ⁇ -glucan). 0.5ml of 0.4% substrate is mixed with 0.5ml 0.1M citrate/phosphate buffer of varying pH and 10 ⁇ l of a suitably diluted enzyme solution is added. Incubations are carried out as described above.
• While enzymes useful herein may have optimum pH at any pH as desired to match the pH of the composition or cleaning method in which it will be used, preferably the enzymes useful herein are active within the pH range of from about pH 6-11, preferably 7-11, and more preferably within from about 8 to about 10.5.
• Temperature optimum is measured by incubating the enzyme with AZCL- ⁇ - glucan substrate at varying temperatures for 15 minutes at the optimal pH.
• Temperature stability is measured by leaving the enzyme, diluted in water, at various temperatures for 1 hour before incubation at 30°C with the relevant substrate.
• S substrate concentrations
• EG II is specific for xyloglucan, as defined herein for use in the present invention compositions whereas the other two endoglucanases are not.
• EG III is active towards all types of substrates, but does not have its highest activity for xyloglucan, whereas EG IV cannot degrade xyloglucan and is very specific for ⁇ -glucans.
• AZCL-substrates There are some differences in the results obtained with reducing sugars and AZCL-substrates. An explanation for this is that some AZCL-substrates are more sensitive than others. In this case AZCL-HE-cellulose seems to be more sensitive than AZCL- ⁇ -glucan).
• Temperature optimum and temperature/pH stability - EG II and EG III have similar temperature optimums (optimal activity between 30°C and 60°C) and temperature stability (stable for lh up to 60°C) but EG III is more stable at alkaline pH than EG II.
• the gelfiltration chromatograms which verify the substrate specificities, show that EG II degrades xyloglucan completely into oligomers of approximately 7-9 residues which are the known repeating subunits of xyloglucans (Fry, 1989).
• EG III degrades xyloglucan to a much lesser extent and EG IV does not degrade xyloglucan at all.
• EG III degrades ⁇ -glucan to a large extent into DP 3-4 and higher oligomers. This is in accordance with ⁇ -glucans being composed of 3-4 ⁇ -1, 4-linked glucose units in a row interrupted by single ⁇ -1, 3-linkages.
• the detergent compositions of the invention contain laundry or cleaning composition ingredients as described hereinafter. The precise nature of these components, and levels of incorporation thereof will depend on the physical form of the composition, and the nature of the cleaning operation for which it is to be used.
• the detergent compositions according to the invention can be liquid, paste, gels, bars, tablets, powder or granular forms.
• Granular compositions can also be in "compact” form, the liquid compositions can also be in a "concentrated” form.
• compositions of the invention may for example, be formulated as hand and machine laundry detergent compositions including laundry additive compositions and compositions suitable for use in the soaking and/or pretreatment of stained fabrics, rinse added fabric softener compositions.
• Pre-or post treatment of fabric include gel, spray and liquid fabric conditioning compositions.
• compositions suitable for use in a laundry machine washing method preferably contain both a surfactant and a builder compound and additionally one or more detergent components preferably selected from organic polymeric compounds, bleaching agents, additional enzymes, suds suppressors, dispersants, lime-soap dispersants, soil suspension and anti- redeposition agents and corrosion inhibitors.
• Laundry compositions can also contain softening agents, as additional detergent components.
• compositions of the invention can also be used as detergent additive products. Such additive products are intended to supplement or boost the performance of conventional detergent compositions.
• the density of the laundry detergent compositions herein ranges from 400 to 1200 g/litre, preferably 600 to 950 g/litre of composition measured at 20°C.
• compositions herein are best reflected by density and, in terms of composition, by the amount of inorganic filler salt; inorganic filler salts are conventional ingredients of detergent compositions in powder form; in conventional detergent compositions, the filler salts are present in substantial amounts, typically 17- 35% by weight of the total composition.
• the filler salt is present in amounts not exceeding 15% of the total composition, preferably not exceeding 10%, most preferably not exceeding 5% by weight of the composition.
• the inorganic filler salts are selected from the alkali and alkaline-earth-metal salts of sulphates and chlorides.
• a preferred filler salt is sodium sulphate.
• Liquid detergent compositions according to the present invention can also be in a "concentrated form", in such case, the liquid detergent compositions according the present invention will contain a lower amount of water, compared to conventional liquid detergents.
• the water content of the concentrated liquid detergent is preferably less than 40%, more preferably less than 30%, most preferably less than 20% by weight of the detergent composition.
• surfactants Preferably, the detergent compositions according to the present invention comprise a surfactant or surfactant system wherein the surfactant can be selected from nonionic and/or anionic and/or cationic and/or ampholytic and/or zwitterionic and/or semi-polar nonionic surfactants.
• the surfactant is typically present at a level of from 0.1% to 60% by weight. More preferred levels of incorporation are 1% to 35% by weight, most preferably from 1% to 30% by weight of detergent compositions in accord with the invention.
• the surfactant is preferably formulated to be compatible with enzyme components present in the composition. In liquid or gel compositions the surfactant is most preferably formulated such that it promotes, or at least does not degrade, the stability of any enzyme in these compositions. Examples of suitable nonionic, anionic, cationic, ampholytic, zwitterionic and semi-polar nonionic surfactants are disclosed in U.S. Patent Nos. 5,707,950 and 5,576,282.
• Highly preferred nonionic surfactants are polyhydroxy fatty acid amide surfactants of the formula: R 2 - C(O) - N(Rl) - Z, wherein R! is H, or R! is C 1.4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl or a mixture thereof, R-2 is C5.31 hydrocarbyl, and Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain, or an alkoxylated derivative thereof.
• R! is H
• R! is C 1.4 hydrocarbyl
• 2-hydroxy ethyl 2-hydroxy propyl or a mixture thereof
• R-2 is C5.31 hydrocarbyl
• Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain, or an alkoxylated derivative thereof.
• R! is H, or R! is C 1.4 hydrocarbyl, 2-hydroxy e
• R-2 is a straight Cu_i5 alkyl or C ⁇ >_ ⁇ g alkyl or alkenyl chain such as coconut alkyl or mixtures thereof
• Z is derived from a reducing sugar such as glucose, fructose, maltose, lactose, in a reductive amination reaction.
• alkyl alkoxylated sulfate surfactants hereof are water soluble salts or acids of the formula RO(A) m SO3M wherein R is an unsubstituted C10-C24 alkyl or hydroxyalkyl group having a CJQ-
• C24 alkyl component preferably a C12-C20 alkyl or hydroxyalkyl, more preferably
• Cl2"Cl8 alkyl or hydroxyalkyl A is an ethoxy or propoxy unit, m is greater than zero, typically between about 0.5 and about 6, more preferably between about 0.5 and about 3, and M is H or a cation which can be, for example, a metal cation (e.g., sodium, potassium, lithium, calcium, magnesium, etc.), ammonium or substituted- ammonium cation.
• a metal cation e.g., sodium, potassium, lithium, calcium, magnesium, etc.
• Alkyl ethoxylated sulfates as well as alkyl propoxylated sulfates are contemplated herein.
• the laundry detergent compositions of the present invention typically comprise from about 1% to about 40%, preferably from about 3% to about 20% by weight of such anionic surfactants.
• Highly preferred cationic surfactants are the water-soluble quaternary ammonium compounds useful in the present composition having the formula :
• RlR 2 R3R4N+X- wherein R ⁇ is Cg-Cj alkyl, each of R2, R3 and R4 is independently C1-C4 alkyl, C1-C4 hydroxy alkyl, benzyl, and -(C2H4 ⁇ ) x H where x has a value from 2 to 5, and
• X is an anion. Not more than one of R2, R3 or R4 should be benzyl.
• the detergent compositions of the present invention typically comprise from 0.2% to about 25%, preferably from about 1% to about 8% by weight of such cationic surfactants.
• the detergent compositions of the present invention typically comprise from 0.2% to about 15%, preferably from about 1% to about 10% by weight of such ampholytic surfactants.
• the detergent compositions of the present invention typically comprise from 0.2% to about 15%, preferably from about 1% to about 10% by weight of such zwitterionic surfactants. WTien included therein, the detergent compositions of the present invention typically comprise from 0.2% to about 15%, preferably from about 1% to about 10% by weight of such semi-polar nonionic surfactants.
• the detergent composition of the present invention may further comprise a cosurfactant selected from the group of primary or tertiary amines.
• Suitable primary amines for use herein include amines according to the formula RjNH2 wherein R ⁇ is a C6-C12 preferably C6-C10 alkyl chain or R4X(CH 2 ) n , X is -O-, -C(O)NH- or -NH-, R4 is a C 6 -C 12 alkyl chain n is between 1 to 5, preferably 3.
• R ⁇ alkyl chains may be straight or branched and may be interrupted with up to 12, preferably less than 5 ethylene oxide moieties.
• Preferred amines according to the formula herein above are n-alkyl amines.
• Suitable amines for use herein may be selected from 1 -hexylamine, 1-octylamine, 1- decylamine and laurylamine.
• Other preferred primary amines include C8-C10 oxypropylamine, octyloxypropylamine, 2-ethylhexyl-oxypropylamine, lauryl amido propylamine and amido propylamine.
• Suitable tertiary amines for use herein include tertiary amines having the formula R1R2R3N wherein Rl and R2 are Cj-Cg alkylchains or
• R3 is either a C6-C12, preferably C6-C10 alkyl chain, or R3 is R4X(CH2) n , whereby X is -O-, -C(O)NH- or -NH- R4 is a C4-C12, n is between 1 to 5, preferably 2-3.
• R5 is H or C1-C2 alkyl and x is between 1 to 6 .
• R3 and R4 may be linear or branched ; R3 alkyl chains may be interrupted with up to 12, preferably less than 5, ethylene oxide moieties.
• Preferred tertiary amines are R1R2R3N where Rl is a C6-C12 alkyl chain, R2 and R3 are C 1 -C3 alkyl or
• Most preferred amines of the present invention include 1 -octylamine, 1- hexylamine, 1-decylamine, l-dodecylamine,C8-10oxypropylamine, N coco 1- 3diaminopropane, coconutalkyldimethylamine, lauryldimethylamine, lauryl bis(hydroxyethyl)amine, coco bis(hydroxyehtyl)amine, lauryl amine 2 moles propoxylated, octyl amine 2 moles propoxylated, lauryl amidopropyldimethylamine, C8-10 amidopropyldimethylamine and CIO amidopropyldimethylamine.
• the most preferred amines for use in the compositions herein are 1- hexylamine, 1 -octylamine, 1 -decylamine, 1-dodecylamine. Especially desirable are n-dodecyldimethylamine and bishydroxyethylcoconutalkylamine and oleylamine 7 times ethoxylated, lauryl amido propylamine and cocoamido propylamine.
• the surfactant and surfactant system of the present invention is preferably formulated to be compatible with enzyme components present in the composition.
• the surfactant is most preferably formulated such that it promotes, or at least does not degrade, the stability of any enzyme in these compositions.
• compositions according to the present invention may further comprise a builder or builder system.
• a builder or builder system is suitable for use herein including aluminosilicate materials, silicates, polycarboxylates, alkyl- or alkenyl- succinic acid and fatty acids, materials such as ethylenediamine tetraacetate, diethylene triamine pentamethyleneacetate, metal ion sequestrants such as aminopolyphosphonates, particularly ethylenediamine tetramethylene phosphonic acid and diethylene triamine pentamethylenephosphonic acid.
• Phosphate builders can also be used herein.
• the present invention may include a suitable builder or detergency salt.
• the level of detergent salt/builder can vary widely depending upon the end use of the composition and its desired physical form.
• the compositions will typically comprise at least about 1% builder and more typically from about 10% to about 80%, even more typically from about 15% to about 50% by weight, of the builder. Lower or higher levels, however, are not meant to be excluded.
• Inorganic or P-containing detergent salts include, but are not limited to, the alkali metal, ammonium and alkanolammonium salts of polyphosphates (exemplified by the tripolyphosphates, pyrophosphates, and glassy polymeric meta- phosphates), phosphonates, phytic acid, silicates, carbonates (including bicarbonates and sesquicarbonates), sulphates, and aluminosilicates.
• polyphosphates exemplified by the tripolyphosphates, pyrophosphates, and glassy polymeric meta- phosphates
• phosphonates phosphonates
• phytic acid e.g., silicates
• carbonates including bicarbonates and sesquicarbonates
• sulphates sulphates
• aluminosilicates aluminosilicates.
• non-phosphate salts are required in some locales.
• compositions herein function surprisingly well even in the presence of the so-called "weak” builders (as compared with phosphates) such as citrate, or in the so-called “underbuilt” situation that may occur with zeolite or layered silicate builders.
• Organic detergent builders suitable for the purposes of the present invention include, but are not restricted to, a wide variety of polycarboxylate compounds.
• polycarboxylate refers to compounds having a plurality of carboxylate groups, preferably at least 3 carboxylates.
• Polycarboxylate builder can generally be added to the composition in acid form, but can also be added in the form of a neutralized salt. When utilized in salt form, alkali metals, such as sodium, potassium, and lithium, or alkanolammonium salts are preferred.
• silicate builders examples include silicate builders, carbonate salts, aluminosilicate builders, polycarboxylate builders, citrate builders, 3,3-dicarboxy-4-oxa-l,6- hexanedioate builders and related compounds disclosed in U.S. Patent No. 4,566,984, to Bush, succinic acid builders, phosphorous-based builders and fatty acids, are disclosed in U.S. Patent Nos. 5,576,282, 5,728,671 and 5,707,950.
• Additional suitable builders can be an inorganic ion exchange material, commonly an inorganic hydrated aluminosilicate material, more particularly a hydrated synthetic zeolite such as hydrated zeolite A, X, B, HS or MAP.
• Specific polycarboxylates suitable for the present invention are polycarboxylates containing one carboxy group include lactic acid, glycolic acid and ether derivatives thereof as disclosed in Belgian Patent Nos. 831,368, 821,369 and 821,370.
• Polycarboxylates containing two carboxy groups include the water-soluble salts of succinic acid, malonic acid, (ethylenedioxy) diacetic acid, maleic acid, diglycollic acid, tartaric acid, tartronic acid and fumaric acid, as well as the ether carboxylates described in German Offenlegenschrift 2,446,686, and 2,446,687 and U.S. Patent No. 3,935,257 and the sulfinyl carboxylates described in Belgian Patent No. 840,623.
• Polycarboxylates containing three carboxy groups include, in particular, water-soluble citrates, aconitrates and citraconates as well as succinate derivatives such as the carboxymethyloxysuccinates described in British Patent No.
• Polycarboxylates containing four carboxy groups include oxydisuccinates disclosed in British Patent No. 1,261,829, 1,1,2,2-ethane tetracarboxylates, 1,1,3,3- propane tetracarboxylates and 1,1,2,3-propane tetracarboxylates.
• Polycarboxylates containing sulfo substituents include the sulfosuccinate derivatives disclosed in British Patent Nos. 1,398,421 and 1,398,422 and in U.S. Patent No. 3,936,448, and the sulfonated pyrolysed citrates described in British Patent No. 1,082,179, while polycarboxylates containing phosphone substituents are disclosed in British Patent No. 1,439,000.
• Alicyclic and heterocyclic polycarboxylates include cyclopentane-cis,cis,cis- tetracarboxylates, cyclopentadienide pentacarboxylates, 2,3,4,5-tetrahydro-furan - cis, cis, cis-tetracarboxylates, 2,5-tetrahydro-furan -cis - dicarboxylates, 2,2,5,5- tetrahydrofuran - tetracarboxylates, 1,2,3,4,5,6-hexane -hexacar-boxylates and and carboxymethyl derivatives of polyhydric alcohols such as sorbitol, marmitol and xylitol.
• Aromatic poly-carboxylates include mellitic acid, pyromellitic acid and the phthalic acid derivatives disclosed in British Patent No. 1,425,343.
• the preferred polycarboxylates are hydroxycarboxylates containing up to three carboxy groups per molecule, more particularly citrates.
• Preferred builder systems for use in the present compositions include a mixture of a water-insoluble aluminosilicate builder such as zeolite A or of a layered silicate (SKS-6), and a water-soluble carboxylate chelating agent such as citric acid.
• Preferred builder systems include a mixture of a water-insoluble aluminosilicate builder such as zeolite A, and a watersoluble carboxylate chelating agent such as citric acid.
• Preferred builder systems for use in liquid detergent compositions of the present invention are soaps and polycarboxylates.
• Suitable water-soluble organic salts are the homo- or co-polymeric acids or their salts, in which the polycarboxylic acid comprises at least two carboxyl radicals separated from each other by not more than two carbon atoms.
• Polymers of this type are disclosed in GB- A- 1,596,756.
• Examples of such salts are polyacrylates of MW 2000-5000 and their copolymers with maleic anhydride, such copolymers having a molecular weight of from 20,000 to 70,000, especially about 40,000.
• Detergency builder salts are normally included in amounts of from 5% to 80% by weight of the composition preferably from 10% to 70% and most usually from 30% to 60% by weight.
• Bleaching agent Additional optional detergent ingredients that can be included in the detergent compositions of the present invention include bleaching agents such as hydrogen peroxide, PB1, PB4 and percarbonate with a particle size of 400-800 microns. These bleaching agent components can include one or more oxygen bleaching agents and, depending upon the bleaching agent chosen, one or more bleach activators. WTien present oxygen bleaching compounds will typically be present at levels of from about 1% to about 25%.
• the bleaching agent component for use herein can be any of the bleaching agents useful for detergent compositions including oxygen bleaches as well as others known in the art.
• the bleaching agent suitable for the present invention can be an activated or non-activated bleaching agent.
• the hydrogen peroxide releasing agents can be used in combination with, for example, the bleach activators disclosed in U.S. Patent No. 5,707,950 or Phenolsulfonate ester of N-nonanoyl-6-aminocaproic acid (NACA-OBS, described in WO94/28106), which are perhydrolyzed to form a peracid as the active bleaching species, leading to improved bleaching effect.
• suitable activators are acylated citrate esters.
• bleaching agents including peroxyacids and bleaching systems comprising bleach activators and peroxygen bleaching compounds for use in detergent compositions according to the invention are described in WO95/27772, WO95/27773, WO95/27774, WO95/27775 and U.S. Patent No. 5,707,950.
• Metal-containing catalysts for use in bleach compositions include cobalt- containing catalysts such as Pentaamine acetate cobalt(III) salts and manganese- containing catalysts such as those described in EPA 549 271; EPA 549 272; EPA 458 397; US 5,246,621; EPA 458 398; US 5,194,416 and US 5,114,611.
• Bleaching composition comprising a peroxy compound, a manganese-containing bleach catalyst and a chelating agent is described in the patent application No 94870206.3. Dve transfer inhibition
• the detergent compositions of the present invention can also include compounds for inhibiting dye transfer from one fabric to another of solubilized and suspended dyes encountered during fabric laundering and conditioning operations involving colored fabrics.
• Polymeric dye transfer inhibiting agents for inhibiting dye transfer from one fabric to another of solubilized and suspended dyes encountered during fabric laundering and conditioning operations involving colored fabrics.
• the detergent compositions according to the present invention can also comprise from 0.001% to 10 %, preferably from 0.01% to 2%, more preferably from 0.05% to 1% by weight of polymeric dye transfer inhibiting agents.
• Said polymeric dye transfer inhibiting agents are normally incorporated into detergentcompositions in order to inhibit the transfer of dyes from colored fabrics onto fabrics washed therewith. These polymers have the ability to complex or adsorb the fugitive dyes washed out of dyed fabrics before the dyes have the opportunity to become attached to other articles in the wash.
• Especially suitable polymeric dye transfer inhibiting agents are polyamine N- oxide polymers, copolymers of N-vinylpyrrolidone and N-vinylimidazole, polyvinylpyrrolidone polymers, polyvinyloxazolidones and polyvinylimidazoles or mixtures thereof. Examples of such dye transfer inhibiting agents are disclosed in
• Additional suitable dye transfer inhibiting agents include, but are not limited to, cross-linked polymers.
• Cross-linked polymers are polymers whose backbone are interconnected to a certain degree; these links can be of chemical or physical nature, possibly with active groups n the backbone or on branches; cross-linked polymers have been described in the Journal of Polymer Science, volume 22, pages 1035- 1039.
• the cross-linked polymers are made in such a way that they form a three-dimensional rigid structure, which can entrap dyes in the pores formed by the three-dimensional structure.
• the cross-linked polymers entrap the dyes by swelling.
• the detergent composition of the present invention can also contain dispersants.
• Suitable water-soluble organic salts are the homo- or co-polymeric acids or their salts, in which the polycarboxylic acid comprises at least two carboxyl radicals separated from each other by not more than two carbon atoms.
• Polymers of this type are disclosed in GB-A-1, 596,756.
• Examples of such salts are polyacrylates of MW 2000-5000 and their copolymers with maleic anhydride, such copolymers having a molecular weight of from 1,000 to 100,000.
• compositions of the invention may contain a lime soap peptiser compound, which has a lime soap dispersing power (LSDP), as defined hereinafter of no more than 8, preferably no more than 7, most preferably no more than 6.
• LSDP lime soap dispersing power
• the lime soap peptiser compound is preferably present at a level from 0% to 20% by weight.
• LSDP lime soap dispersant power
• Surfactants having good lime soap peptiser capability will include certain amine oxides, betaines, sulfobetaines, alkyl ethoxysulfates and ethoxylated alcohols.
• Exemplary surfactants having a LSDP of no more than 8 for use in accord with the present invention include Cig-Cjs dimethyl amine oxide, C12-C18 alkyl ethoxysulfates with an average degree of ethoxylation of from 1-5, particularly C j 2-
• Polymeric lime soap peptisers suitable for use herein are described in the article by M.K. Nagarajan, W.F. Masler, to be found in Cosmetics and Toiletries, volume 104, pages 71-73, (1989).
• Hydrophobic bleaches such as 4-[N-octanoyl-6-aminohexanoyl]benzene sulfonate, 4-[N-nonanoyl-6-aminohexanoyl]benzene sulfonate, 4-[N-decanoyl-6- aminohexanoyl]benzene sulfonate and mixtures thereof; and nonanoyloxy benzene sulfonate together with hydrophilic / hydrophobic bleach formulations can also be used as lime soap peptisers compounds.
• the detergent compositions can comprise in addition to the hexosaminidase enzyme one or more enzymes which provide cleaning performance and/or fabric care benefits.
• Said enzymes include enzymes selected from hemicellulases, peroxidases, proteases, cellulases, xylanases, Upases, phospholipases, esterases, cutinases, pectinases, keratanases, reductases, oxidases, phenoloxidases, lipoxygenases, ligninases, pullulanases, tannases, pentosanases, malanases, ⁇ -glucanases, arabinosidases, hyaluronidase, chondroitinase, laccase, and known amylases, or mixtures thereof. Examples of suitable enzymes are disclosed in U.S. Patent Nos. 5,576,282,
• a preferred combination is a detergent composition having cocktail of conventional applicable enzymes like protease, lipase, cutinase and/or cellulase in conjunction with the hexosaminidase.
• suitable proteases are described in
• Preferred enhancers are substitued phenthiazine and phenoxasine 10- Phenothiazinepropionicacid (PPT), 10-ethylphenothiazine-4-carboxylic acid (EPC), 10-phenoxazinepropionic acid (POP) and 10-methylphenoxazine (described in WO 94/12621) and substitued syringates (C3-C5 substitued alkyl syringates) and phenols.
• Sodium percarbonate or perborate are preferred sources of hydrogen peroxide.
• Said peroxidases are normally incorporated in the detergent composition at levels from 0.0001% to 2% of active enzyme by weight of the detergent composition.
• Suitable lipase enzymes for detergent usage include those produced by microorganisms of the Pseudomonas group, such as Pseudomonas stutzeri ATCC 19.154, as disclosed in British Patent 1,372,034.
• Suitable lipases include those which show a positive immunological cross-reaction with the antibody of the lipase, produced by the microorganism Pseudomonas fluorescent IAM 1057. This lipase is available from Amano Pharmaceutical Co. Ltd., Nagoya, Japan, under the trade name Lipase P "AmanoJ hereinafter referred to as "Amano-P".
• lipases include Amano-CES, lipases ex Chromobacter viscosum, e.g. Chromobacter viscosum var. lipolyticum NRRLB 3673 from Toyo Jozo Co., Tagata, Japan; Chromobacter viscosum lipases from U.S. Biochemical Corp., U.S.A. and Disoynth Co., The Netherlands, and lipases ex Pseudomonas gladioli.
• lipases such as Ml Lipase ⁇ - ⁇ Lipoma ⁇ R (Gist-Brocades) and Lipolase- and Lipolase Ultra ⁇ (Novo) which have found to be very effective when used in combination with the compositions of the present invention.
• cutinases [EC 3.1.1.50] which can be considered as a special kind of lipase, namely lipases which do not require interfacial activation. Addition of cutinases to detergent compositions have been described in e.g. WO 88/09367 (Genencor). The lipases and/or cutinases are normally incorporated in the detergent composition at levels from 0.0001% to 2% of active enzyme by weight of the detergent composition.
• amylases can be included for removal of carbohydrate- based stains.
• WO 94/02597 Novo Nordisk A/S published February 03, 1994, describes cleaning compositions which incorporate mutant amylases. See also WO94/18314, Genencor, published August 18, 1994 and WO95/10603, Novo Nordisk A/S, published April 20, 1995.
• Other amylases known for use in detergent compositions include both ⁇ - and ⁇ -amylases.
• -Amylases are known in the art and include those disclosed in US Pat.
• amylases include stability-enhanced amylases including Purafact Ox Am R described in WO 94/18314, published August 18, 1994 and WO96/05295, Genencor, published Februaury 22, 1996 and amylase variants from Novo Nordisk A/S, disclosed in WO 95/10603, published April 95.
• ⁇ -amylases products are Termamyl®, Ban®,
• WO95/26397 describes other suitable amylases : ⁇ -amylases characterised by having a specific activity at least 25% higher than the specific activity of Termamyl ® at a temperature range of 25°C to 55°C and at a pH value in the range of 8 to 10, measured by the Phadebas® ⁇ -amylase activity assay.
• ⁇ -amylases characterised by having a specific activity at least 25% higher than the specific activity of Termamyl ® at a temperature range of 25°C to 55°C and at a pH value in the range of 8 to 10, measured by the Phadebas® ⁇ -amylase activity assay.
• Other amylolytic enzymes with improved properties with respect to the activity level and the combination of thermostability and a higher activity level are described in WO95/35382.
• the above-mentioned enzymes may be of any suitable origin, such as vegetable, animal, bacterial, fungal and yeast origin.
• mutants of native enzymes are also included by definition. Mutants can be obtained e.g. by protein and/or genetic engineering, chemical and/or physical modifications of native enzymes. Common practice as well is the expression of the enzyme via host organisms in which the genetic material responsible for the production of the enzyme has been cloned.
• Said enzymes are normally incorporated in the detergent composition at levels from 0.0001% to 2% of active enzyme by weight of the detergent composition.
• the enzymes can be added as separate single ingredients (prills, granulates, stabilized liquids, etc. containing one enzyme ) or as mixtures of two or more enzymes ( e.g. cogranulates).
• enzyme oxidation scavengers are ethoxylated tetraethylene polyamines.
• a range of enzyme materials and means for their incorporation into synthetic detergent compositions is also disclosed in WO 9307263 and WO 9307260 to Genencor International, WO 8908694 to Novo, and U.S. 3,553,139, January 5, 1971 to McCarty et al. Enzymes are further disclosed in U.S. 4,101,457, Place et al, July 18, 1978, and in U.S. 4,507,219, Hughes, March 26, 1985. Enzyme materials useful for liquid detergent formulations, and their incorporation into such formulations, are disclosed in U.S. 4,261,868, Hora et al, April 14, 1981. Enzymes for use in detergents can be stabilized by various techniques.
• Enzyme stabilisation techniques are disclosed and exemplified in U.S. 3,600,319, August 17, 1971, Gedge et al, EP 199,405 and EP 200,586, October 29, 1986, Venegas. Enzyme stabilisation systems are also described, for example, in U.S. 3,519,570. A useful Bacillus, sp. AC13 giving proteases, xylanases and cellulases, is described in WO 9401532 to Novo. Chelating Agents
• the detergent compositions herein may also optionally contain one or more iron and/or manganese chelating agents.
• chelating agents can be selected from the group consisting of amino carboxylates, amino phosphonates, polyfunctionally- substituted aromatic chelating agents and mixtures therein, all as hereinafter defined. Without intending to be bound by theory, it is believed that the benefit of these materials is due in part to their exceptional ability to remove iron and manganese ions from washing solutions by formation of soluble chelates.
• compositions herein may also contain water-soluble methyl glycine diacetic acid (MGDA) salts (or acid form) as a chelant or co-builder useful with, for example, insoluble builders such as zeolites, layered silicates and the like.
• MGDA water-soluble methyl glycine diacetic acid
• these chelating agents will generally comprise from about 0.1% to about 15% by weight of the detergent compositions herein. More preferably, if utilized, the chelating agents will comprise from about 0.1% to about 3.0% by weight of such compositions. Suds suppressor
• Another optional ingredient is a suds suppressor, exemplified by silicones, and silica-silicone mixtures.
• suitable suds suppressors are disclosed in U.S. Patent Nos. 5,707,950 and 5,728,671. These suds suppressors are normally employed at levels of from 0.001% to 2% by weight of the composition, preferably from 0.01% to 1% by weight.
• Softening agents Fabric softening agents can also be incorporated into laundry detergent compositions in accordance with the present invention. These agents may be inorganic or organic in type. Inorganic softening agents are exemplified by the smectite clays disclosed in GB-A-1 400 898 and in USP 5,019,292.
• Organic fabric softening agents include the water insoluble tertiary amines as disclosed in GB-A1 514 276 and EP-BO 011 340 and their combination with mono C12-C14 quaternary ammonium salts are disclosed in EP-B-0 026 527 and EP-B-0 026 528 and di-long- chain amides as disclosed in EP-B-0 242 919.
• Other useful organic ingredients of fabric softening systems include high molecular weight polyethylene oxide materials as disclosed in EP-A-0 299 575 and 0 313 146. Particularly suitable fabric softening agents are disclosed in U.S. Patent Nos.
• Levels of smectite clay are normally in the range from 2% to 20%, more preferably from 5% to 15% by weight, with the material being added as a dry mixed component to the remainder of the formulation.
• Organic fabric softening agents such as the water-insoluble tertiary amines or dilong chain amide materials are incorporated at levels of from 0.5% to 5% by weight, normally from 1% to 3% by weight whilst the high molecular weight polyethylene oxide materials and the water soluble cationic materials are added at levels of from 0.1% to 2%, normally from 0.15% to 1.5% by weight.
• Typical cationic fabric softening components include the water-insoluble quaternary-ammonium fabric softening actives, the most commonly used having been di-long alkyl chain ammonium chloride or methyl sulfate.
• Preferred cationic softeners among these include the following: 1) ditallow dimethylammonium chloride (DTDMAC);
• DSOEDMAC di(stearoyloxyethyl) dimethylammonium chloride
• Biodegradable quaternary ammonium compounds have been presented as alternatives to the traditionally used di-long alkyl chain ammonium chlorides and methyl sulfates. Such quaternary ammonium compounds contain long chain alk(en)yl groups interrupted by functional groups such as carboxy groups. Said materials and fabric softening compositions containing them are disclosed in numerous publications such as EP-A-0,040,562, and EP-A-0,239,910.
• Non-limiting examples of softener-compatible anions for the quaternary ammonium compounds and amine precursors include chloride or methyl sulfate. Others
• detergentcompositions may be employed, such as soil-suspending agents, soil-release agents, optical brighteners, abrasives, bactericides, tarnish inhibitors, coloring agents, and/or encapsulated or non- encapsulated perfumes, examples of which are disclosed in U.S. Patent Nos. 5,707,950, 5,576,282 and 5,728,671.
• chlorine scavenger such as perborate, ammonium sulfate, sodium sulphite or polyethyleneimine at a level above 0.1% by weight of total composition, in the formulas will provide improved through the wash stability of the detergent enzymes.
• compositions comprising chlorine scavenger are described in the European patent application 92870018.6 filed January 31, 1992.
• Alkoxylated polycarboxylates such as those prepared from polyacrylates are useful herein to provide additional grease removal performance. Such materials are described in WO 91/08281 and PCT 90/01815 at p. 4 et seq., incorporated herein by reference. Chemically, these materials comprise polyacrylates having one ethoxy side-chain per every 7-8 acrylate units.
• the side-chains are of the formula -(CH2CH2O) m (CH2) n CH3 wherein m is 2-3 and n is 6-12.
• the side-chains are ester-linked to the polyacrylate "backbone” to provide a "comb" polymer type structure.
• the molecular weight can vary, but is typically in the range of about 2000 to about 50,000.
• Such alkoxylated polycarboxylates can comprise from about 0.05% to about 10%, by weight, of the compositions herein.
• Method of washing The compositions of the invention may be used in essentially any washing or cleaning methods, including soaking methods, pretreatment methods and methods with rinsing steps for which a separate rinse aid composition may be added.
• the process described herein comprises contacting fabrics with a laundering solution in the usual manner and exemplified hereunder.
• the process of the invention is conveniently carried out in the course of the cleaning process.
• the method of cleaning is preferably carried out at 5°C to 95°C, especially between 10°C and 60°C.
• the pH of the treatment solution is preferably from 7 to 11.
• compositions of the present invention are meant to exemplify compositions of the present invention, but are not necessarily meant to limit or otherwise define the scope of the invention.
• the enzyme levels are expressed by pure enzyme by weight of the total composition and unless otherwise specified, the detergent ingredients are expressed by weight of the total compositions.
• the abbreviated component identifications herein have the following meanings: LAS : Sodium linear C 12 alkyl benzene sulphonate
• TAS Sodium tallow alkyl sulphate
• TFAA C 16-C is alkyl N-methyl glucamide.
• Neodol C14-C15 linear primary alcohol ethoxylate, sold by Shell
• NaSKS-6 Crystalline layered silicate of formula ⁇ -Na2SJ2 ⁇ 5
• Carbonat Anhydrous sodium carbonate with a particle size between e 200 ⁇ m and 900 ⁇ m.
• Bicarbon Anhydrous sodium bicarbonate with a particle size between ate 400 ⁇ m and 1200 ⁇ m.
• MA/AA Copolymer of 1 :4 maleic/acrylic acid, average molecular weight about 70,000-80,000
• Zeolite A Hydrated Sodium Aluminosilicate of formula Nai2(Al ⁇ 2Si ⁇ 2)i2 . 27H2O having a primary particle size in the range from
• Citrate Tri-sodium citrate dihydrate of activity 86,4% with a particle size distribution between 425 ⁇ m and 850 ⁇ m.
• TAED Tetraacetyl ethylene diamine.
• NOBS Nonanoyloxybenzene sulfonate in the form of the sodium salt.
• Photoacti Sulfonated zinc phtalocyanine encapsulated in dextrin vated soluble polymer Bleach Protease Proteolytic enzyme sold under the tradename Savinase, Alcalase, Durazym by Novo Nordisk A/S, Maxacal, Maxapem sold by Gist-Brocades and proteases described in patents WO91/06637 and/or WO95/10591 and/or EP 251 446.
• Amylase Amylolytic enzyme sold under the tradename Purafact Ox
• Lipase Lipolytic enzyme sold under the tradename Lipolase, Lipolase Ultra by Novo Nordisk A/S
• Xylogluc An endoglucanase specific for xyloglucan as described anase hereinbefore and in WO 94/14953 as EG II.
• Cellulase Cellulytic enzyme sold under the tradename Carezyme, Celluzyme and/or Endolase by Novo Nordisk A/S.
• CMC Sodium carboxymethyl cellulose.
• DETPM Diethylene triamine penta (methylene phosphonic acid), P marketed by Monsanto under the Trade name Dequest 2060.
• PVNO Poly(4-vinylpyridine)-N-Oxide.
• PVPVI Poly (4-vinylpyridine)-N-oxide/copolymer of vinyl-imidazole and vinyl-pyrrolidone.
• Silicone Polydimethylsiloxane foam controller with siloxane- antifoam oxyalkylene copolymer as dispersing agent with a ratio of said foam controller to said dispersing agent of 10:1 to
• SRP 2 Diethoxylated poly ( 1 ,2 propylene terephtalate) short block polymer.
• Sulphate Anhydrous sodium sulphate.
• HMWPE High molecular weight polyethylene oxide
• Dry additives Carbonate 6.0 13.0 15.0 PB4 18.0 18.0 10.0 PB1 4.0 4.0 0 TAED 3.0 3.0 1.0
• liquid detergent formulations according to the present invention are prepared:
• Example 5 Granular fabric detergent compositions which provide "softening through the wash” capability are prepared in accord with the present invention :
• Coco-alkyl-dimethyl hydroxy- 1.4 1.0 ethyl ammonium chloride Citrate 5.0 3.0 Na-SKS-6 - 1 1.0 Zeolite A 15.0 15.0 MA/AA 4.0 4.0 DETPMP 0.4 0.4 PB1 15.0 -
• Syndet bar fabric detergent compositions are prepared in accord with the present invention : I II III IV
• CAGCATCTCC ATTGAGTAAT CACGTTGGTG TTCGGTGGCC CGCCGTGTTG CGTGGCGGAG 60 GCTGCCGGGA GACGGGTGGG GATGGTGGTG GGAGAGAATG TAGGGCGCCG TGTTTCAGTC 120

Landscapes

• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Detergent Compositions (AREA)
• Enzymes And Modification Thereof (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=21940094

Family Applications (1)

Country Status (7)

Cited By (12)

Families Citing this family (4)

Citations (5)

• 1998
  • 1998-05-04 AR ARP980102073A patent/AR015631A1/es unknown
  • 1998-05-05 BR BR9808736-3A patent/BR9808736A/pt not_active Application Discontinuation
  • 1998-05-05 WO PCT/US1998/009126 patent/WO1998050513A1/en not_active Application Discontinuation
  • 1998-05-05 CN CN98806560.6A patent/CN1261400A/zh active Pending
  • 1998-05-05 CA CA002290064A patent/CA2290064A1/en not_active Abandoned
  • 1998-05-05 JP JP54837898A patent/JP2001524158A/ja active Pending
  • 1998-05-05 EP EP98920234A patent/EP0983333A1/en not_active Withdrawn

Patent Citations (5)

Also Published As

Similar Documents

Legal Events