WO1995029979A1 - Compositions de lessive pour textiles contenant des variants de subtilisine bpn' - Google Patents

Compositions de lessive pour textiles contenant des variants de subtilisine bpn' Download PDF

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Publication number
WO1995029979A1
WO1995029979A1 PCT/US1995/004691 US9504691W WO9529979A1 WO 1995029979 A1 WO1995029979 A1 WO 1995029979A1 US 9504691 W US9504691 W US 9504691W WO 9529979 A1 WO9529979 A1 WO 9529979A1
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Prior art keywords
glu
amino acid
asp
gin
asn
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PCT/US1995/004691
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English (en)
Inventor
Philip Frederick Brode, Iii
Bobby Lee Barnett
Donn Nelton Rubingh
Chanchal Kamur Ghosh
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The Procter & Gamble Company
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Application filed by The Procter & Gamble Company filed Critical The Procter & Gamble Company
Priority to AU22931/95A priority Critical patent/AU2293195A/en
Priority to EP95916426A priority patent/EP0758373A1/fr
Priority to MX9605359A priority patent/MX9605359A/es
Priority to JP7528271A priority patent/JPH09512433A/ja
Priority to BR9507593A priority patent/BR9507593A/pt
Publication of WO1995029979A1 publication Critical patent/WO1995029979A1/fr
Priority to NO964590A priority patent/NO964590D0/no
Priority to FI964411A priority patent/FI964411A0/fi

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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/14—Hydrolases (3)
    • C12N9/48—Hydrolases (3) acting on peptide bonds (3.4)
    • C12N9/50—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25)
    • C12N9/52—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from bacteria or Archaea
    • C12N9/54—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from bacteria or Archaea bacteria being Bacillus
    • 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
    • C11D3/38609—Protease or amylase in solid compositions only

Definitions

  • the present invention relates to fabric cleaning compositions comprising protease enzymes which are subtilisin variants.
  • Enzymes make up the largest class of naturally occurring proteins.
  • Each class of enzyme generally catalyzes (accelerates a reaction without being consumed) a different kind of chemical reaction.
  • One class of enzymes known as proteases are known for their ability to hydrolyze (break down a compound into two or more simpler compounds with the uptake of the H and OH parts of a water molecule on either side of the chemical bond cleaved) other proteins. This ability to hydrolyze proteins has been taken advantage of by incorporating naturally occurring and protein engineered proteases as an additive to laundry detergent preparations. Many stains on clothes are proteinaceous and wide-specificity proteases can substantially improve removal of such stains.
  • protease characteristics such as thermal stability, pH stability, oxidative stability and substrate specificity are not necessarily optimized for utilization outside the natural environment of the enzyme.
  • the amino acid sequence of the protease determines the characteristics of the protease.
  • a change of the amino acid sequence of the protease may alter the properties of the enzyme to varying degrees, or may even inactivate the enzyme, depending upon the location, nature and/or magnitude of the change in the amino acid sequence.
  • Several approaches have been taken to alter the wild-type amino acid sequence of proteases in an attempt to improve their properties, with the goal of increasing the efficacy of the protease in the wash environment. These approaches include altering the amino acid sequence to enhance thermal stability and to improve oxidation stability under quite diverse conditions.
  • compositions comprising effective variants of proteases useful for cleaning fabric surfaces.
  • Objects of the Present Invention It is an object of the present invention to provide fabric cleaning compositions comprising subtilisin enzyme variants.
  • the BPN' variants useful in these compositions comprise at least one, two or three amino acid positions having a different amino acid than that occurring in wild-type subtilisin BPN' (i.e., substitution) at specifically identified positions, whereby the BPN' variant has decreased adsorption to, and increased hydrolysis of, an insoluble substrate as compared to the wild-type subtilisin BPN'.
  • This invention relates to fabric cleaning compositions comprising a subtilisin enzyme, in particular BPN', that has been modified by mutating the various nucleotide sequences that code for the enzyme, thereby modifying the amino acid sequence of the enzyme.
  • BPN 1 variants The modified subtilisin enzymes (hereinafter, "BPN 1 variants") useful in the compositions of the present invention have decreased adsorption to and increased hydrolysis of an insoluble substrate as compared to the wild-type subtilisin. Certain of these BPN' variants are described in co-pending application U.S.S.N. 08/121 ,437, filed September 15, 1993 by Brode et al.
  • subtilisin enzymes useful in the compositions of this invention belong to a class of enzymes known as proteases.
  • a protease is a catalyst for the cleavage of peptide bonds.
  • One type of protease is a serine protease.
  • a serine protease is distinguished by the fact that there is an essential serine residue at the active site.
  • this loop plays a significant role in the adsorption of the enzyme molecule to a surface-bound peptide, and specific mutations in this loop have a significant effect on this adsorption. While not wishing to be bound by theory, it is believed that this loop is important to the adsorption of the BPN' molecule for at least two reasons. First, the amino acids which comprise this exterior loop can make close contacts with any surfaces to which the molecule is exposed. Second, the proximity of this loop to the active-site and binding pocket of the BPN' molecule gives it a role in the catalytically productive adsorption of the enzyme to surface-bound substrates (peptides/protein soils).
  • variant means an enzyme having an amino acid sequence which differs from that of wild-type.
  • mutant BPN' gene means a gene coding for a BPN' variant.
  • wild-type subtilisin BPN' refers to a subtilisin enzyme represented by SEQ ID NO:1.
  • the amino acid sequence for subtilisin BPN' is further described by Wells, J. A., E. Ferrari, D. J. Henner, D. A. Estell and E. Y. Chen, NUCLEIC ACIDS RESEARCH, Vol. II, 7911-7925 (1983), incorporated herein by reference.
  • wild-type amino acid sequence encompasses SEQ ID NO:1 as well as SEQ ID NO:1 having modifications to the amino acid sequence other than at any of positions 199-220.
  • hydrophilicity table refers to any other amino acid having greater hydrophilicity than a subject amino acid with reference to the hydrophilicity table below.
  • Table 1 lists amino acids in descending order of increasing hydrophilicity (see Hopp, T.P., and Woods, K.R., "Prediction of Protein Antigenic Determinants from Amino Acid Sequences", PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCE USA, Vol. 78, pp. 3824-3828, 1981 , incorporated herein by reference).
  • Table 1 also indicates which amino acids carry a charge (this characteristic being based on a pH of from about 8-9).
  • the positively charged amino acids are Arg and Lys
  • the negatively charged amino acids are Glu and Asp
  • the remaining amino acids are neutral.
  • the substituting amino acid is either neutral or negatively charged, more preferably negatively charged (i.e., Glu or Asp).
  • the statement “substitute Gin with an equally or more hydrophilic amino acid which is neutral or has a negative charge” means Gin would be substituted with Asn (which is equally hydrophilic to Gin), or Ser, Glu or Asp (which are more hydrophilic than Gin); each of which are neutral or have a negative charge, and have a greater hydrophilicity value as compared to Gin.
  • the statement “substitute Pro with a more hydrophilic amino acid which is neutral or has a negative charge” means Pro would be substituted with Gin, Asn, Ser, Glu or Asp.
  • the BPN' variant comprises wild-type amino acid sequence wherein the wild-type amino acid sequence at one or more of positions 199, 200, 201 , 202, 203, 204, 205, 206, 207, 208, 209, 210, 211 , 212, 213, 214, 215, 216, 218, 219 or 220 is substituted; whereby the BPN' variant has decreased adsorption to, and increased hydrolysis of, an insoluble substrate as compared to the wild-type subtilisin BPN'.
  • the positions having a substituted amino acid are 199, 200, 201 , 202, 205, 207, 208, 209, 210, 211 , 212 or 215; more preferably, 200, 201 , 202, 205 or 207.
  • the substituting amino acid for position 199 is Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 200 is His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 201 is Gly, Gin,
  • the substituting amino acid for position 202 is Pro, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 203 is Met, Cys, His, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 204 is Glu.
  • the substituting amino acid for position 205 is Leu, Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 206 Pro, Asn or Ser is selected from the group consisting of: Asn or Ser.
  • the substituting amino acid for position 207 is Asp or Glu.
  • the substituting amino acid for position 208 is Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 209 is He, Val, Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 210 is Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 211 is Ala, Pro, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 212 is Gin, Ser,
  • the substituting amino acid for position 213 is Trp, Phe, Tyr, Leu, He, Val, Met, Cys, Ala, His, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 214 is Phe, Leu, He, Val, Met, Cys, Ala, His, Pro, Gly, Gin, Asn, Asp or Glu.
  • the substituting amino acid for position 215 is Thr, Pro,
  • the substituting amino acid for position 216 is His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 218 is Glu.
  • the substituting amino acid for position 219 is Pro, Gin,
  • the substituting amino acid for position 220 is Pro, Gly, Gin, Asn, Asp or Glu.
  • the substituting amino acid for any of positions 199, 200, 201 , 202, 203, 205, 207, 208, 209, 210, 211 , 212, 213, 214, 215, 216,
  • 219 and 220 is, with reference to Table 1 , is neutral or negatively charged and equally or more hydrophilic, preferably more hydrophilic, than the amino acid at the subject position in wild-type subtilisin BPN'.
  • the substituting amino acid for any of positions 199, 200, 201 , 202, 203, 205, 207, 208, 209, 210, 211 , 212, 213, 214, 215, 216, 219 and 220 is Asp, or Glu; and the substituting amino acid for positions 204 or 218 is Glu.
  • Variants comprising at least two amino acid substitutions comprising at least two amino acid substitutions
  • the BPN' variant comprises wild-type amino acid sequence wherein the wild-type amino acid sequence at two or more of positions 199, 200, 201 , 202, 203, 204, 205, 206, 207, 208, 209, 210, 211 , 212, 213, 214, 215, 216, 217, 218, 219 or 220 is substituted; whereby the BPN' variant has decreased adsorption to, and increased hydrolysis of, an insoluble substrate as compared to wild-type subtilisin BPN'.
  • the positions having a substituting amino acid are 199, 200, 201, 202, 205, 207, 208, 209, 210, 211 , 212, or 215; more preferably, positions 200, 201 , 202, 205 or 207.
  • the substituting amino acid for position 199 is Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 200 is His, Thr,
  • the substituting amino acid for position 201 is Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 202 is Pro, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 203 is Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 204 is Asp or Glu.
  • the substituting amino acid for position 205 is Leu, Val, Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 206 is Pro, Asn, Ser, Asp, or Glu.
  • the substituting amino acid for position 207 is Asp or Glu.
  • the substituting amino acid for position 208 is Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 209 is He, Val, Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 210 is Ala, Gly,
  • the substituting amino acid for position 211 is Ala, Pro, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 212 is Gin, Ser, Asp or Glu.
  • the substituting amino acid for position 213 is Trp, Phe, Tyr, Leu, He, Val, Met, Cys, Ala, His, Thr, Pro, Gly. Gin, Asn, Ser, or Asp.
  • the substituting amino acid for position 214 is Phe, Leu, He, Val, Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 215 is Thr, Pro,
  • the substituting amino acid for position 216 is His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 217 is Leu, He, Val, Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 218 is Gin, Ser, Asp or Glu.
  • the substituting amino acid for position 219 is Pro, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 220 is Pro, Gly,
  • the substituting amino acid for any of positions 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211 , 212, 213, 214, 215, 216, 217, 218, 219 or 220 is, with reference to Table 1 , is neutral or negatively charged and equally or more hydrophilic, preferably more hydrophilic, than the amino acid at the subject position in wild-type subtilisin BPN'. More preferably still, the substituting amino acid for any of positions
  • the BPN' variant comprises wild-type amino acid sequence wherein the wild-type amino acid sequence of three or more of positions 199, 200, 201 , 202, 203, 204, 205, 206, 207, 208, 209, 210, 211 , 212, 213, 214, 215, 216, 217, 218, 219 and 220, is substituted; whereby the BPN' variant has decreased adsorption to, and increased hydrolysis of, an insoluble substrate as compared to wild- type subtilisin BPN'.
  • the positions having a substituting amino acid are 199, 200, 201 , 202, 205, 207, 208, 209, 210, 211 , 212, or 215; more preferably positions 200, 201 , 202, 205 or 207.
  • the substituting amino acid for position 199 is Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 200 is His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 201 is Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 202 is Pro, Gin,
  • the substituting amino acid for position 203 Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 204 is selected from the group consisting of Asp or Glu.
  • the substituting amino acid for position 205 is Leu, Val, Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 206 is Pro, Asn, Ser, Asp, or Glu.
  • the substituting amino acid for position 207 is Asp or Glu.
  • the substituting amino acid for position 208 is Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 209 is lie, Val, Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 210 is Ala, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 211 is Ala, Pro,
  • the substituting amino acid for position 212 is Gin, Ser, Asp or Glu.
  • the substituting amino acid for position 213 is Trp, Phe, Tyr, Leu, He, Val, Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 214 is Phe, Leu, He, Val, Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 215 is Thr, Pro, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 216 is His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 217 is Leu, He, Val, Met, Cys, Ala, His, Thr, Pro, Gly, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 218 is Gin, Ser,
  • the substituting amino acid for position 219 is Pro, Gin, Asn, Ser, Asp or Glu.
  • the substituting amino acid for position 220 is Pro, Gly, Gin, Asn, Ser Asp or Glu.
  • the substituting amino acid for any of positions 199, 200, 201, 202, 203, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219 or 220 is, with reference to Table 1, is neutral or negatively charged and equally or more hydrophilic, preferably more hydrophilic, than the amino acid at the subject position in wild-type subtilisin BPN'.
  • the substituting amino acid for any of positions 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 214, 215, 216, 218, 219 or 220 is Asp or Glu; for position 217 is Leu, Asp, or Glu; and for position 213 is Asp. D. Preparation of enzyme variants
  • Oligonucleotides are designed to restore the proper reading frame at position 217 and also encoded for random substitutions at positions 199, 200, 201 , 202, 203, 204, 205, 206, 207, 208, 209, 210, 211 , 212, 213, 214, 215, 216, 217, 218, 219 and 220 (equimolar and/or variable mixtures of all four nucleotides for all three bases at these codons). Mutations that correct for the frameshift-stop and produce a functional enzyme are identified by their ability to digest casein. The random substitutions are determined by DNA sequencing.
  • the fermentation media contains Yeast Extract, starch, antifoam, buffers and trace minerals (see FERMENTATION: A PRACTICAL APPROACH, Ed. B. McNeil and L. M. Harvey, 1990).
  • the broth is kept at a constant pH of 7.0 during the fermentation run. Chloramphenical is added for antibiotic selection of mutagenized plasmid.
  • the cells are grown overnight at 37°C to an AQOO °f about 60 and harvested.
  • the fermentation broth is taken through the following steps to obtain pure enzyme.
  • the broth is cleared of Bacillus subtilis cells by centrifugation, and clarified by removing fine particulates with a 100K cutoff membrane. This is followed by concentration on a 10K cutoff membrane, and flow dialysis to reduce the ionic strength and adjust the pH to 5.5 using 0.025M MES buffer (2-( ⁇ /-morpholino)ethanesulfonic acid).
  • the enzyme is further purified by loading it onto either a cation exchange chromatography column or an affinity adsorption chromatography column and eluting it from the column with a NaCI or a propylene glycol gradient (See Scopes, R. K., PROTEIN PURIFICATION PRINCIPLES AND PRACTICE, Springer-Verlag, New York (1984), incorporated herein by reference).
  • the pNA assay (DelMar, E.G., C. Largman, J.W. Brodrick and M.C. Geokas, ANAL BIOCHEM., Vol. 99, pp. 316-320, (1979), incorporated herein by reference) is used to determine the active enzyme concentration for fractions collected during gradient elution.
  • This assay measures the rate at which p-nitroaniline is released as the enzyme hydrolyzes the soluble synthetic substrate, succinyl-alanine-alanine-proline-phenylalanine-p- nitroanilide (sAAPF-pNA).
  • the rate of production of yellow color from the hydrolysis reaction is measured at 410 nm on a spectrophotometer and is proportional to the active enzyme concentration.
  • absorbance measurements at 280 nm are used to determine the total protein
  • SUBSTITUTE SHEET " (RULE 26) concentration The active enzyme/total-protein ratio gives the enzyme purity, and is used to identify fractions to be pooled for the stock solution.
  • the enzyme stock solution is eluted through a Sephadex-G25 (Pharmacia, Piscataway, New Jersey) size exclusion column to remove the propylene glycol and exchange the buffer.
  • the MES buffer in the enzyme stock solution is exchanged for 0.1 M Tris buffer (Tris(hydroxymethyl-aminomethane) containing 0.01 M CaCl2 and pH adjusted to 8.6 with HCI. All experiments are carried out at pH 8.6 in Tris buffer thermostated at 25°C.
  • Example 4 Model Surface Preparation Aminopropyl controlled pore glass (CPG) purchased from CPG Inc. (Fairfield, New Jersey) is used as a support for covalently attaching the sAAPF-pNA substrate purchased from Bachem, Inc. (Torrence, California). The reaction is carried out in dimethyl sulfoxide and (1-ethyl-3-[3- (dimethylamino)propyl] carbodiimide hydrochloride) (EDC) is used as a coupling agent. Upon completion (monitored by pNA assay), the excess solvent is removed, and the CPG:sAAPF-pNA is rinsed with dimethyl sulfoxide (DMSO) and doubly-distilled water.
  • DMSO dimethyl sulfoxide
  • the CPG surface will have 62,000 ⁇ 7,000 pNA molecules/ ⁇ m 2 .
  • the surface area will remain unchanged from the value of 50.0 ⁇ .2/g reported by CPG Inc. for the CPG as received. This suggests that the procedure used to add sAAPF-pNA to CPG does not damage the porous structure (mean diameter is 486 A).
  • CPG:sAAPF-pNA Using CPG:sAAPF-pNA, adsorption of an enzyme variant and hydrolysis of a CPG-bound peptide can be measured in a single experiment.
  • a small volume of enzyme variant stock solution is added to a flask containing Tris buffer and CPG:sAAPF-pNA which has been degassed.
  • the flask is shaken on a wrist-action shaker for a period of 90 minutes during which the shaker is stopped at various time intervals (for example, every 2 minutes during the early stages of adsorption hydrolysis - e.g., the first 20 minutes - and every 10 minutes towards the end of the experiment).
  • the CPG:sAAPF-pNA is allowed to settle and the solution is sampled. Both the experimental procedure and the calculation of the adsorption and hydrolysis are conducted as described by Brode er a/., 1992, above.
  • enzyme adsorption can be determined by measuring solution depletion. The difference between the initial enzyme variant concentration and the concentration measured at each individual time point gives the amount of enzyme variant adsorbed.
  • the amount of pNA hydrolyzed from the surface is measured by taking an absorbance reading on an aliquot of the sample at 410 nm.
  • the total amount of pNA hydrolyzed is calculated by adding the amount sampled and the amount remaining in the flask. This value is corrected by subtracting the amount of pNA that is hydrolyzed by Tris buffer at pH 8.6 when no enzyme is present. This base-hydrolysis ranges from 7-29% of the total hydrolysis depending on the efficiency of the enzyme.
  • Example 6 Soluble Substrate Kinetic Analysis The rates of hydrolysis of the soluble substrate sAAPF-pNA are monitored by measuring the adsorbance increase as a function of time at 410 nm on a DU-70 spectrophotometer.
  • the enzyme concentration is held constant and is prepared to be in the range of 6-10 nanomolar while the substrate concentration is varied from 90-700 ⁇ M sAAPF-pNA for each kinetic determination.
  • An adsorbance data point is taken each second over a period of 900 seconds and the data are transferred to a LOTUSTM spreadsheet (Lotus Development Corporation, Cambridge, Massachusetts).
  • BPN' variants of the present invention which have decreased adsorption to and increased hydrolysis of surface bound substrates are exemplified in Table 2, below. In describing the specific mutations, the original amino acid occurring in wild-type is given first, the position number second, and the substituted amino acid third. TABLE 2 Example BPN' Variants :
  • the fabric cleaning compositions of the present invention also comprise, in addition to the BPN' variants described hereinbefore, one or more cleaning composition materials compatible with the protease enzyme.
  • cleaning composition material means any liquid, solid or gaseous material selected for the particular type of cleaning composition desired and the form of the product (e.g., liquid; granule; bar), which materials are also compatible with the BPN' variant used in the composition.
  • the specific selection of cleaning composition materials are readily made by considering the fabric to be cleaned, and the desired form of the composition for the cleaning condition during use (e.g., through the wash detergent use).
  • compatible means the cleaning composition materials do not reduce the proteolytic activity of the BPN' variant to such an extent that the protease is not effective as desired during normal use situations.
  • Specific cleaning composition materials are exemplified in detail hereinafter.
  • fabric cleaning composition refers to all forms for detergent compositions for cleaning fabrics, including but not limited to, granular, liquid and bar forms. Preferred fabric cleaning compositions are those in the liquid form.
  • the cleaning compositions of the present invention comprise from about 0.0001% to about 10% of one or more enzyme variants, more preferably from about 0.001 % to about 1%, more preferably still from about 0.01% to about 0.1%.
  • the enzyme variants of the present invention can be used with various conventional ingredients to provide fully-formulated fabric laundering compositions.
  • Such compositions can be in the form of liquids, granules and the like.
  • Such compositions can be formulated as modern "concentrated" detergents which contain as much as 30%-60% by weight of surfactants.
  • the fabric cleaning compositions herein can optionally, and preferably, contain various anionic, nonionic, zwitterionic, etc., surfactants. Such surfactants are typically present at levels of from about 5% to about 35% of the compositions.
  • Nonlimiting examples of surfactants useful herein include the conventional C-
  • alkyl alkoxy sulfates AES
  • alkyl alkoxy carboxylates AEC
  • AES alkyl alkoxy sulfates
  • AEC alkyl alkoxy carboxylates
  • Other conventional useful surfactants are listed in standard texts. Particularly useful surfactants include the C10-C18 N-methyl glucamides disclosed in US Patent 5, 194,639, Connor et al., issued March 16, 1993, incorporated herein by reference.
  • compositions herein A wide variety of other ingredients useful in fabric cleaning compositions can be included in the compositions herein, including other active ingredients, carriers, hydrotropes, processing aids, dyes or pigments, solvents for liquid formulations, etc.
  • suds boosters such as the C1 -C 6 alkolamides can be inco ⁇ orated into the compositions, typically at about 1 % to about 10% levels.
  • the C-10- 1 monoethanol and diethanol amides illustrate a typical class of such suds boosters.
  • Use of such suds boosters with high sudsing adjunct surfactants such as the amine oxides, betaines and sultaines noted above is also advantageous.
  • liquid fabric cleaning compositions herein can contain water and other solvents as carriers.
  • Low molecular weight primary or secondary alcohols exemplified by methanol, ethanol, propanol, and isopropanol are suitable.
  • Monohydric alcohols are preferred for solubilizing surfactants, but polyols such as those containing from about 2 to about 6 carbon atoms and from about 2 to about 6 hydroxy groups (e.g., 1 ,3-propanediol, ethylene glycol, glycerine, and 1 ,2-propanediol) can also be used.
  • the compositions may contain from about 5% to about 90%, typically from about 10% to about 50% of such carriers.
  • the fabric cleaning compositions herein will preferably be formulated such that during use in aqueous cleaning operations, the wash water will have a pH between about 6.8 and about 11.0. Finished products thus are typically formulated at this range. Techniques for controlling pH at recommended usage levels include the use of buffers, alkalis, acids, etc., and are well known to those skilled in the art.
  • the formulator may wish to employ various builders at levels from about 5% to about 50% by weight.
  • Typical builders include the 1-10 micron zeolites, polycarboxylates such as citrate and oxydisuccinates, layered silicates, phosphates, and the like.
  • Other conventional builders are listed in standard formularies.
  • the formulator may wish to employ various additional enzymes, such as cellulases, lipases, amylases and proteases in such compositions, typically at levels of from about 0.001 % to about 1% by weight.
  • additional enzymes such as cellulases, lipases, amylases and proteases
  • Various fabric care enzymes are well-known in the laundry detergent art.
  • bleaching compounds such as the percarbonates, perborates and the like, can be used in such compositions, typically at levels from about 1 % to about 15% by weight.
  • such compositions can also contain bleach activators such as tetraacetyl ethylenediamine, nonanoyloxybenzene sulfonate, and the like, which are also known in the art. Usage levels typically range from about 1% to about 10% by weight.
  • Various soil release agents especially of the anionic oligoester type, various chelating agents, especially the aminophosphonates and ethylenediaminedisuccinates, various clay soil removal agents, especially ethoxylated tetraethylene pentamine, various dispersing agents, especially polyacrylates and polyasparatates, various brighteners, especially anionic brighteners, various suds suppressors, especially silicones and secondary alcohols, various fabric softeners, especially smectite clays, and the like can all be used in such compositions at levels ranging from about 1% to about 35% by weight. Standard formularies and published patents contain multiple, detailed descriptions of such conventional materials. Enzyme stabilizers may also be used in the cleaning compositions of the present invention.
  • Such enzyme stabilizers include propylene glycol (preferably from about 1 % to about 10%), sodium formate (preferably from about 0.1 % to about 1 %) and calcium formate (preferably from about 0.1 % to about 1 %).
  • the granular fabric cleaning compositions of the present invention contain an effective amount of one or more enzyme variants of the present invention, preferably from about 0.001 % to about 10%, more preferably from about 0.005% to about 5%, more preferably from about 0.01% to about 1% by weight of active enzyme of the composition.
  • the granular fabric cleaning compositions typically comprise at least one surfactant, one or more builders, and, in some cases, a bleaching agent.
  • the granular fabric cleaning composition embodiment of the present invention is illustrated by the following examples.
  • Examples 7-8 the BPN' variants recited in Table 2, among others, are substituted for Ala216Glu, with substantially similar results.
  • Zeolite A (1-10 micrometer) 26.00 26.00 26.00 26.00 26.00
  • Fillers e.g., silicates; carbonates; perfumes; Up to 100 Up to 100 water
  • Liquid fabric cleaning compositions of the present invention comprise an effective amount of one or more enzyme variants of the present invention, preferably from about 0.005% to about 5%, more preferably from about 0.01% to about 1%, by weight of active enzyme of the composition.
  • Such liquid fabric cleaning compositions typically additionally comprise an anionic surfactant, a fatty acid, a water-soluble detergency builder and water.
  • the liquid fabric cleaning composition embodiment of the present invention is illustrated by the following examples.
  • any combination of the BPN' variants recited in Table 2, among others, are substituted for Gln206Glu + Ala216Glu + Tyr217Leu and Pro210Ala + Gly215Thr, with substantially similar results.
  • Citric acid monohydrate 10.0 15.0
  • Citric Acid 7.10 3.00 3.00
  • Silicon anti-foam agent 1.16 1.18 1.18
  • Anti-foam ing agents 0.06 0.085 0.085
  • Bar fabric cleaning compositions of the present invention suitable for hand-washing soiled fabrics contain an effective amount of one or more enzyme variants of the present invention, preferably from about 0.001% to about 10%, more preferably from about 0.01 % to about 1 % by weight of the composition.
  • the bar fabric cleaning composition embodiment of the present invention is illustrated by the following examples.
  • Zeolite A (0.1 -.10 ⁇ ) 5.0 5.0 5.0 5.00
  • Polyacrylate (MW 1400) 0.2 0.2 0.2 0.20
  • Example 33 the BPN' variants recited in Table 2, among others, are substituted for Val203Glu, with substantially similar results.
  • Example 34 the BPN' variants recited in Table 2, among others, are substituted for Tyr214Phe + Tyr217Asn, with substantially similar results.
  • Example 35-36 any combination of the BPN' variants recited in Table 2, among others, are substituted for Val203Glu and Tyr214Phe + Tyr217Asn, with substantially similar results.

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Abstract

Compositions de lessives pour textiles contenant des variants de subtilisine BPN', lesdits variants de BPN' comprenant une ou plusieurs positions d'acides aminés qui présentent un acide aminé différent de celui présent dans la subtilisine BPN' de type sauvage (par ex. substitution) à des positions spécifiquement identifiées. Lesdits variants de BPN' présentent une adsorption réduite dans un substrat insoluble et une hydrolyse accrue dudit substrat par comparaison à la subtilisine BPN' de type sauvage.
PCT/US1995/004691 1994-05-02 1995-04-17 Compositions de lessive pour textiles contenant des variants de subtilisine bpn' WO1995029979A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AU22931/95A AU2293195A (en) 1994-05-02 1995-04-17 Fabric cleaning compositions containing subtilisin bpn' variants
EP95916426A EP0758373A1 (fr) 1994-05-02 1995-04-17 Compositions de lessive pour textiles contenant des variants de subtilisine bpn'
MX9605359A MX9605359A (es) 1994-05-02 1995-04-17 Composiciones para la limpieza de telas que contienen variantes de subtilicina bpn.
JP7528271A JPH09512433A (ja) 1994-05-02 1995-04-17 ズブチリシンｂｐｎ′変異体を含む布帛クリーニング組成物
BR9507593A BR9507593A (pt) 1994-05-02 1995-04-17 Composições de limpeza de pano contendo variantes de subttilisina bpn
NO964590A NO964590D0 (no) 1994-05-02 1996-10-30 Töyvaskemidler omfattende subtilisin BPN'-varianter
FI964411A FI964411A0 (fi) 1994-05-02 1996-11-01 Tekstiilien puhdistuskoostumuksia, jotka sisältävät subtilisiini-BPN'-variantteja

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US23793994A 1994-05-02 1994-05-02
US08/237,939 1994-05-02

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CN (1) CN1151757A (fr)
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BR (1) BR9507593A (fr)
CA (1) CA2189428A1 (fr)
FI (1) FI964411A0 (fr)
MX (1) MX9605359A (fr)
NO (1) NO964590D0 (fr)
PE (2) PE12396A1 (fr)
WO (1) WO1995029979A1 (fr)
ZA (1) ZA952220B (fr)

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JPH11508318A (ja) * 1996-05-03 1999-07-21 ザ、プロクター、エンド、ギャンブル、カンパニー コットン汚れ放出ポリマーおよびプロテアーゼ酵素を含んだ液体洗濯洗剤組成物
WO2000016740A1 (fr) * 1998-09-22 2000-03-30 The Procter & Gamble Company Compositions pour soins d'hygiene personnelle contenant les enzymes subtilisine liees a des substrats insolubles dans l'eau
WO2000071690A1 (fr) 1999-05-20 2000-11-30 Novozymes A/S Enzymes subtilases des -sous groupes i-s1 et i-s2 possedant au moins un residu acide amine supplementaire entre les positions 128 et 129
WO2000071687A1 (fr) 1999-05-20 2000-11-30 Novozymes A/S Enzymes subtilases des sous-groupes i-s1 et i-s2 possedant au moins un residu d'acide amine additionnel entre les positions 129 et 130
WO2000071688A1 (fr) 1999-05-20 2000-11-30 Novozymes A/S Enzymes subtilases des sous-groupes i-s1 et i-s2 comprenant au moins un reste d'acide amine additionnel entre les positions 126 et 127
WO2000071689A1 (fr) 1999-05-20 2000-11-30 Novozymes A/S Enzymes subtilases des sous groupes i-s1 et i-s2 possedant au moins un residu acide amine supplementaire entre les positions 127 et 128
WO2000071685A1 (fr) 1999-05-20 2000-11-30 Novozymes A/S Enzymes subtilases des sous-groupes i-s1 et i-s2 renfermant au moins un residu d'acide amine supplementaire entre les positions 132 et 133
WO2000071691A1 (fr) 1999-05-20 2000-11-30 Novozymes A/S Enzymes de subtilase des sous-groupes i-s1 et i-s2 possedant au moins un residu supplementaire d'acide amine entre les positions 125 et 126
WO2001018165A1 (fr) * 1999-09-09 2001-03-15 The Procter & Gamble Company Composition detergente contenant une protease
US6284246B1 (en) 1997-07-30 2001-09-04 The Procter & Gamble Co. Modified polypeptides with high activity and reduced allergenicity
US6495136B1 (en) 1998-03-26 2002-12-17 The Procter & Gamble Company Proteases having modified amino acid sequences conjugated to addition moieties
US6555355B1 (en) 1997-08-29 2003-04-29 Novozymes, A/S Protease variants and compositions
US6558938B1 (en) 1997-08-29 2003-05-06 Novozymes, A/S Protease variants and compositions
US6566115B1 (en) 1999-07-22 2003-05-20 The Procter & Gamble Company Protease conjugates having sterically protected clip sites
US6569663B1 (en) 1998-03-26 2003-05-27 The Procter & Gamble Company Serine protease variants having amino acid substitutions
US6586223B1 (en) 1999-07-22 2003-07-01 The Procter & Gamble Company Subtilisin protease variants having amino acid substitutions in defined epitope regions
US6586224B1 (en) 1999-07-22 2003-07-01 The Procter & Gamble Company Subtilisin protease variants having amino acid deletions and substitutions in defined epitope regions
US6605458B1 (en) 1997-11-21 2003-08-12 Novozymes A/S Protease variants and compositions
US6727085B2 (en) 1999-12-15 2004-04-27 Fanoe Tina Sejersgaard Subtilase variants having an improved wash performance on egg stains
US6773907B2 (en) 1997-11-21 2004-08-10 Peter Kamp Hansen Subtilase enzymes
US6777218B1 (en) 2000-03-14 2004-08-17 Novozymes A/S Subtilase enzymes having an improved wash performance on egg stains
US6780629B2 (en) 1997-11-21 2004-08-24 Novozymes A/S Subtilase enzymes
WO2005040372A1 (fr) 2003-10-23 2005-05-06 Novozymes A/S Protease a stabilite amelioree dans les detergents
US6908757B1 (en) 1998-03-26 2005-06-21 The Procter & Gamble Company Serine protease variants having amino acid deletions and substitutions
US6946128B1 (en) 1999-07-22 2005-09-20 The Procter & Gamble Company Protease conjugates having sterically protected epitope regions
EP1700907A1 (fr) 2005-03-11 2006-09-13 Unilever N.V. Composition liquide de blanchiment
EP1700904A1 (fr) 2005-03-11 2006-09-13 Unilever N.V. Composition detergente liquide
US7153820B2 (en) 2001-08-13 2006-12-26 Ecolab Inc. Solid detergent composition and method for solidifying a detergent composition
EP1803817A1 (fr) 1998-12-18 2007-07-04 Novozymes A/S Enzymes substitulases des sous-groupes I-S1 et I-S2 ayant un résidu d'acide amine additionnel dans une région boucle de site actif
WO2008134343A1 (fr) 2007-04-30 2008-11-06 Danisco Us Inc., Genencor Division Utilisation d'hydrolysats de protéine pour stabiliser des formulations détersives de métalloprotéase
DE102007044415A1 (de) 2007-09-17 2009-03-19 Henkel Ag & Co. Kgaa Leistungsverbesserte Proteasen und Wasch- und Reinigungsmittel enthaltend diese Proteasen
US7507569B2 (en) 2003-05-07 2009-03-24 Novozymes A/S Variant subtilisin enzymes (subtilases)
WO2011072099A2 (fr) 2009-12-09 2011-06-16 Danisco Us Inc. Compositions et procédés comprenant des variants de protéase
WO2012160498A2 (fr) 2011-05-20 2012-11-29 Ecolab Usa Inc. Formulations acides destinées à être utilisées dans un système de nettoyage d'articles manufacturés
EP2617804A1 (fr) 2007-02-15 2013-07-24 Ecolab Inc. Détergent solide se dissolvant rapidement
EP2677023A2 (fr) 2007-10-18 2013-12-25 Ecolab Inc. Compositions nettoyantes solides, cireuses et comprimées, et leurs procédés de fabrication
US8785172B2 (en) 2006-04-20 2014-07-22 Novozymes A/S Savinase variants having an improved wash performance on egg stains
EP2792737A1 (fr) 2011-05-20 2014-10-22 Ecolab USA Inc. Détergents sans phosphates et sans acides phosphoriques dans un système alternatif basique/acide pour le lavage de la vaisselle
WO2015032451A1 (fr) 2013-09-09 2015-03-12 Ecolab Usa Inc. Élimination synergique de taches par le biais d'une nouvelle combinaison de chélateurs
WO2015032447A1 (fr) 2013-09-09 2015-03-12 Ecolab Usa Inc. Détachage synergique grâce à une nouvelle combinaison de chélateurs
EP3282004A1 (fr) 2011-12-13 2018-02-14 Ecolab USA Inc. Procédé pour le lavage mécanique de vaisselle
EP3470516A1 (fr) 2012-09-10 2019-04-17 Ecolab USA Inc. Compositions pour laver la vaisselle à la main liquides et stables contenant des enzymes
EP3666870A1 (fr) 2013-10-24 2020-06-17 Ecolab USA Inc. Compositions et méthodes d'élimination des salissures des surfaces
WO2021022045A1 (fr) 2019-07-31 2021-02-04 Ecolab Usa Inc. Compositions de détartrage sans équipement de protection individuelle

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JPH11508318A (ja) * 1996-05-03 1999-07-21 ザ、プロクター、エンド、ギャンブル、カンパニー コットン汚れ放出ポリマーおよびプロテアーゼ酵素を含んだ液体洗濯洗剤組成物
EP2278001A1 (fr) 1996-11-04 2011-01-26 Novozymes A/S Variants et compositions de protéase
WO1998020115A1 (fr) 1996-11-04 1998-05-14 Novo Nordisk A/S Variants et compositions de subtilase
WO1998020116A1 (fr) 1996-11-04 1998-05-14 Novo Nordisk A/S Variants de subtilase et compositions
US6284246B1 (en) 1997-07-30 2001-09-04 The Procter & Gamble Co. Modified polypeptides with high activity and reduced allergenicity
US6558938B1 (en) 1997-08-29 2003-05-06 Novozymes, A/S Protease variants and compositions
US6921657B2 (en) 1997-08-29 2005-07-26 Novozymes A/S Protease variants and compositions
US6555355B1 (en) 1997-08-29 2003-04-29 Novozymes, A/S Protease variants and compositions
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US7026153B2 (en) 1997-11-21 2006-04-11 Novozymes A/S Protease variants and compositions
US6773907B2 (en) 1997-11-21 2004-08-10 Peter Kamp Hansen Subtilase enzymes
US6780629B2 (en) 1997-11-21 2004-08-24 Novozymes A/S Subtilase enzymes
US6908757B1 (en) 1998-03-26 2005-06-21 The Procter & Gamble Company Serine protease variants having amino acid deletions and substitutions
US6495136B1 (en) 1998-03-26 2002-12-17 The Procter & Gamble Company Proteases having modified amino acid sequences conjugated to addition moieties
US6569663B1 (en) 1998-03-26 2003-05-27 The Procter & Gamble Company Serine protease variants having amino acid substitutions
WO2000016740A1 (fr) * 1998-09-22 2000-03-30 The Procter & Gamble Company Compositions pour soins d'hygiene personnelle contenant les enzymes subtilisine liees a des substrats insolubles dans l'eau
EP1803817A1 (fr) 1998-12-18 2007-07-04 Novozymes A/S Enzymes substitulases des sous-groupes I-S1 et I-S2 ayant un résidu d'acide amine additionnel dans une région boucle de site actif
WO2000071691A1 (fr) 1999-05-20 2000-11-30 Novozymes A/S Enzymes de subtilase des sous-groupes i-s1 et i-s2 possedant au moins un residu supplementaire d'acide amine entre les positions 125 et 126
WO2000071685A1 (fr) 1999-05-20 2000-11-30 Novozymes A/S Enzymes subtilases des sous-groupes i-s1 et i-s2 renfermant au moins un residu d'acide amine supplementaire entre les positions 132 et 133
WO2000071689A1 (fr) 1999-05-20 2000-11-30 Novozymes A/S Enzymes subtilases des sous groupes i-s1 et i-s2 possedant au moins un residu acide amine supplementaire entre les positions 127 et 128
WO2000071688A1 (fr) 1999-05-20 2000-11-30 Novozymes A/S Enzymes subtilases des sous-groupes i-s1 et i-s2 comprenant au moins un reste d'acide amine additionnel entre les positions 126 et 127
WO2000071687A1 (fr) 1999-05-20 2000-11-30 Novozymes A/S Enzymes subtilases des sous-groupes i-s1 et i-s2 possedant au moins un residu d'acide amine additionnel entre les positions 129 et 130
WO2000071690A1 (fr) 1999-05-20 2000-11-30 Novozymes A/S Enzymes subtilases des -sous groupes i-s1 et i-s2 possedant au moins un residu acide amine supplementaire entre les positions 128 et 129
US6586224B1 (en) 1999-07-22 2003-07-01 The Procter & Gamble Company Subtilisin protease variants having amino acid deletions and substitutions in defined epitope regions
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US6946128B1 (en) 1999-07-22 2005-09-20 The Procter & Gamble Company Protease conjugates having sterically protected epitope regions
US6566115B1 (en) 1999-07-22 2003-05-20 The Procter & Gamble Company Protease conjugates having sterically protected clip sites
WO2001018165A1 (fr) * 1999-09-09 2001-03-15 The Procter & Gamble Company Composition detergente contenant une protease
US6727085B2 (en) 1999-12-15 2004-04-27 Fanoe Tina Sejersgaard Subtilase variants having an improved wash performance on egg stains
US6777218B1 (en) 2000-03-14 2004-08-17 Novozymes A/S Subtilase enzymes having an improved wash performance on egg stains
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US7507569B2 (en) 2003-05-07 2009-03-24 Novozymes A/S Variant subtilisin enzymes (subtilases)
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EP1700904A1 (fr) 2005-03-11 2006-09-13 Unilever N.V. Composition detergente liquide
EP1700907A1 (fr) 2005-03-11 2006-09-13 Unilever N.V. Composition liquide de blanchiment
US8785172B2 (en) 2006-04-20 2014-07-22 Novozymes A/S Savinase variants having an improved wash performance on egg stains
US9200239B2 (en) 2006-04-20 2015-12-01 Novozymes A/S Savinase variants having an improved wash performance on egg stains
US9267097B2 (en) 2007-02-15 2016-02-23 Ecolab Usa Inc. Fast dissolving solid detergent
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US10005986B2 (en) 2007-02-15 2018-06-26 Ecolab Usa Inc. Fast dissolving solid detergent
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DE102007044415A1 (de) 2007-09-17 2009-03-19 Henkel Ag & Co. Kgaa Leistungsverbesserte Proteasen und Wasch- und Reinigungsmittel enthaltend diese Proteasen
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US9157052B2 (en) 2009-12-09 2015-10-13 Danisco Us Inc. Methods for cleaning using a variant protease derived from subtilisin
EP2510094A4 (fr) * 2009-12-09 2013-06-19 Danisco Us Inc Compositions et procédés comprenant des variants de protéase
US8728790B2 (en) 2009-12-09 2014-05-20 Danisco Us Inc. Compositions and methods comprising protease variants
EP2510094A2 (fr) * 2009-12-09 2012-10-17 Danisco US Inc. Compositions et procédés comprenant des variants de protéase
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EP2902471A1 (fr) 2011-05-20 2015-08-05 Ecolab USA Inc. Détergents sans phosphates et acides non phosphoriques dans un système alternatif alcalin/acide pour le lavage de la vaisselle
WO2012160498A2 (fr) 2011-05-20 2012-11-29 Ecolab Usa Inc. Formulations acides destinées à être utilisées dans un système de nettoyage d'articles manufacturés
EP2792737A1 (fr) 2011-05-20 2014-10-22 Ecolab USA Inc. Détergents sans phosphates et sans acides phosphoriques dans un système alternatif basique/acide pour le lavage de la vaisselle
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EP3470516A1 (fr) 2012-09-10 2019-04-17 Ecolab USA Inc. Compositions pour laver la vaisselle à la main liquides et stables contenant des enzymes
WO2015032451A1 (fr) 2013-09-09 2015-03-12 Ecolab Usa Inc. Élimination synergique de taches par le biais d'une nouvelle combinaison de chélateurs
EP3272847A1 (fr) 2013-09-09 2018-01-24 Ecolab USA Inc. Élimination synergique de taches par le biais d'une nouvelle combinaison de chélateurs
EP3561034A1 (fr) 2013-09-09 2019-10-30 Ecolab USA Inc. Élimination synergique de taches par le biais d'une nouvelle combinaison de chélateurs
WO2015032447A1 (fr) 2013-09-09 2015-03-12 Ecolab Usa Inc. Détachage synergique grâce à une nouvelle combinaison de chélateurs
EP3279304A1 (fr) 2013-09-09 2018-02-07 Ecolab USA Inc. Élimination synergique de taches par le biais d'une nouvelle combinaison de chélateurs
EP4095222A1 (fr) 2013-09-09 2022-11-30 Ecolab USA Inc. Méthode de lavage par élimination synergique des taches par le biais d'une nouvelle combinaison d'agents chélatants
EP3666870A1 (fr) 2013-10-24 2020-06-17 Ecolab USA Inc. Compositions et méthodes d'élimination des salissures des surfaces
EP4276163A1 (fr) 2013-10-24 2023-11-15 Ecolab USA Inc. Compositions et méthodes d'élimination des salissures des surfaces
WO2021022045A1 (fr) 2019-07-31 2021-02-04 Ecolab Usa Inc. Compositions de détartrage sans équipement de protection individuelle

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NO964590L (no) 1996-10-30
BR9507593A (pt) 1997-09-23
EP0758373A1 (fr) 1997-02-19
FI964411A (fi) 1996-11-01
NO964590D0 (no) 1996-10-30
ZA952220B (en) 1995-12-14
CN1151757A (zh) 1997-06-11
JPH09512433A (ja) 1997-12-16
AU2293195A (en) 1995-11-29
FI964411A0 (fi) 1996-11-01
PE12396A1 (es) 1996-04-18
CA2189428A1 (fr) 1995-11-09
MX9605359A (es) 1997-12-31
PE49595A1 (es) 1996-02-05

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