WO1997012088A1 - Produit et procede pour le traitement modificateur de l'etat de surface et/ou de la teinte d'articles textiles - Google Patents
Produit et procede pour le traitement modificateur de l'etat de surface et/ou de la teinte d'articles textiles Download PDFInfo
- Publication number
- WO1997012088A1 WO1997012088A1 PCT/FR1996/001463 FR9601463W WO9712088A1 WO 1997012088 A1 WO1997012088 A1 WO 1997012088A1 FR 9601463 W FR9601463 W FR 9601463W WO 9712088 A1 WO9712088 A1 WO 9712088A1
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- WIPO (PCT)
- Prior art keywords
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
-
- 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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
- C11D3/128—Aluminium silicates, e.g. zeolites
- C11D3/1293—Feldspar; Perlite; Pumice or Portland cement
-
- 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
- C11D3/38645—Preparations containing enzymes, e.g. protease or amylase containing cellulase
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/02—Processes in which the treating agent is releasably affixed or incorporated into a dispensing means
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/15—Locally discharging the dyes
- D06P5/158—Locally discharging the dyes with other compounds
Definitions
- the invention relates to a particulate product intended for the treatment in an aqueous medium of textile articles formed at least in part from cellulosic materials, colored or not, with the aim of modifying the surface appearance and / or the color thereof.
- the invention also relates to a process for the preparation of such a product.
- the textile articles concerned in the context of this invention are those such as, for example, fabrics, knitwear, certain nonwovens, pants, shirts, skirts and other textile objects, made or not.
- a modification of the surface condition is practiced by acting on the quality of the textile feel, and / or a modification of the color is practiced by lightening the color in a more or less regular and pronounced manner, by an effect of washout.
- this type of treatment brings advantages because it can be implemented in conventional treatment installations, without transforming them. It increases its longevity and reduces the pollution of discharged water, free of fine pumice particles. However, this treatment takes a very long time to result in the heterogeneous washout sought.
- the enzyme which acts on a controlled hydrolysis of the cellulose releasing the dye creates an undesired smooth surface appearance, by the elimination of the microfibrils from the support.
- perlite alone for the treatment (of “stone-wash” type) of modification, in an aqueous medium, of the surface condition and / or the color of textile articles based on cellulosic materials shows its limits to through the observation of textile articles, once treated, whose surface appearance and weakening of the color are not satisfactory.
- the low density of perlite is the cause of significant emissions of smoke, fine dust, extremely troublesome, when loading perlite in the treatment plant.
- the international patent application WO-A-95 09225 describes a method which consists in treating, in an aqueous medium in which it is immersed, a colored textile article, formed of cellulosic materials, by bringing it into contact with a cellulolytic enzyme and thermally expanded perlite.
- the composition prepared is an enzyme mixture in solid form and solid perlite. This cannot be a homogeneous mixture easily obtained, but more probably a heterogeneous mixture of compounds whose physical properties are different. This heterogeneity is accentuated even more during the transport of the conditioned composition, from the production site to the site of use, with the appearance, under the action of vibrations, of a phenomenon of separation and selective grouping of the compounds by l effect of their differences in densities, grain sizes and viscosities. Then contradictorily, it seems that the composition is a solid perlite dispersion in the enzyme in liquid form. However, a person skilled in the art knows that this dispersion is impractical due to the very low density of the thermally expanded perlite.
- compositions as described appear to the user to be done only by the separate introduction of the various compounds into the aqueous treatment medium in which the textile article to be treated is immersed. Consequently, this composition has multiple disadvantages, in particular in terms of its industrial use, since it requires the user to obtain the various compounds, to prepare the doses very exactly (by comparison with the composition described, but also in relation to the weight of the textile articles to be treated) and to introduce them separately into the aqueous treatment medium, at the risk of committing an error in the dosages or a forgetfulness in their introduction.
- a product for the treatment of textile articles formed at least in part from cellulosic materials, colored or not, comprising at least one cellulolytic enzyme and an expanded perlite is characterized in that it is formed of particles each composed of both said enzyme and said expanded perlite.
- the particulate product is formed from both a support which is perlite and the associated cellulolytic enzyme and, preferably, adsorbed by the support, in the form of an aqueous composition containing said enzyme. , a buffering agent regulating the pH of the medium, optionally a dispersing agent, a dye and / or pigment retention agent.
- the method for preparing the particulate product consists in adsorbing an aqueous composition of the enzyme by the expanded perlite.
- the particulate product according to the invention offers, as opposed to the state of the art, at least two functions simultaneously, the function of the hydrolysis of cellulose linked to the enzyme and the abrasion function linked to the perlite.
- the enzyme is transported by expanded perlite and is brought directly into contact with textile articles. The synergy of the hydrolysis effect and the abrasion effect is then optimum at an attack point on the tissue.
- the product is directly used by its introduction into the treatment medium in an easily determined quantity which is a function of the quantity of textile articles to be treated. And therefore, the introduction of a useful amount of expanded perlite leads to the introduction of an exact amount of enzyme.
- the textile articles to be treated can be formed entirely of cellulosic materials such as cotton, but they can also be formed in part only of said materials, associated with other materials of natural, artificial or synthetic origin, such as for example the linen, silk, wool, viscose, acetates and triacetates, polyesters, polyamides, polyolefins, polyvinyl chlorides and others. These textile articles can be unbleached, produced wholly or in part with colored threads or even dyed after their manufacture.
- the perlite used in the composition of the particulate product according to the invention which is of volcanic origin, is preferably thermally expanded. It is in the form of particles having a size generally between 0.05 mm and 20 mm and preferably between 0, 10 and 10 mm.
- the perlite has a density after expansion of between 0.03 to 0.15 and preferably from 0.05 to 0.09.
- the cellulolytic enzyme used in the composition of the particulate product according to the invention is chosen from the group consisting of cellulolytic enzymes of fungal or bacterial origin, used in acid, neutral or alkaline forms, that is to say say in pH zones giving them maximum efficiency.
- an acidic cellulolytic enzyme is used in a zone of pH generally less than 6, but preferably between 4 and 6; a neutral cellulolytic enzyme in a pH zone between 6 and 8 (limits included), but preferably for some of them between 6.5 and 7 and for others 7 and 7.5; and an alkaline cellulolytic enzyme, in a zone of pH greater than 8 but preferably close to 9.
- the cellulolytic enzymes used in the invention can be chosen in particular, for example for those intervening in an acid medium, from those originating from or derived from strains as: TRICHODERMA REESEI, PENICILLIUM FUNICOLOSUM, LRPEX, CLOSTFJDIUM or THERMOCELLUM, and for those operating in neutral or alkaline medium, among those originating from or deriving from strains such as: HUMICOLA INSOLENS, FUSARTUM, BACILLUS, CELLULOMONAS, PSEUDOMONAS, MYCELUM
- the cellulolytic enzyme involved in the product according to the invention is present therein in an amount necessary to modify the surface condition and / or the color of the textile article concerned, in particular by acting on the quality of the textile feel and, in the case of colored articles, on the more or less regular and pronounced weakening of the color, this quantity being closely linked to the activity of the enzyme.
- the activity of the cellulolytic enzyme which is expressed in unit of cellulolytic enzyme (ECU) can be determined by the methods of analysis described in international patent application WO-A-95 09225.
- ECU unit of cellulolytic enzyme
- the product according to l contains a quantity of cellulolytic enzyme generally corresponding to at most 200 ECU and preferably between 20 and 100 ECU per gram of said particulate product according to the invention.
- the pH of the aqueous treatment medium can be favorably maintained within the desired range thanks to the presence of a buffering agent of said pH.
- This buffering agent can be chosen from those well known, such as a phosphate, borate, citrate, acetate, adipate, triethanolamine, monoethanolamine, diethanolamine, carbonate, in particular sodium carbonate, potassium carbonate or a diamine and the salts of hydrochloric acid, diaminoethane, imidazole or an acid amine.
- the buffering agent is chosen from the group of phosphates.
- the pH buffering agent is desirably present in the particulate product according to the invention in an amount of 40 to 200 parts by weight, preferably from 50 to 120 parts by weight per 1000 parts by weight of said product.
- a dispersing agent which may be of the anionic, cationic, amphoteric or nonionic type. It can be chosen from well known dispersing agents such as carboxymethylcellulose, hydroxypropylcellulose, alkyl aryl sulfonates, long chain sulfated alcohols, sulfonated olefins, sulfated monoglycerides, sulfated ethers, sulfosuccinates, sulfonated methyl ethers , phosphate esters, fluorosurfactants, fatty alcohols and alkylphenol condensates, fatty acid condensates, ethylene oxide condensates with an amine, block polymers (polyethylene glycol, polypropylene glycol, ethylene diamine condensed with ethylene oxide or propylene), alkylamides, ethoxylated monoamines, ethoxylated diamines, ethoxylated amides, ethoxylated
- the dispersing agent may be present in the product of the invention in an amount of 20 to 200 parts by weight and preferably from 30 to 150 parts by weight per 1000 parts by weight of product.
- a dye and / or pigment retention agent can be chosen from those well known such as for example proteins, protein hydrolysates, polypeptides, lignosulfonates, polysaccharides and their derivatives, polyethylene glycol, polypropylen glycol, polyvinyl py ⁇ olidones, ethylene diamine condensed with ethylene or propylene oxide, ethoxylated polyamines or polymers of ethoxylated amines.
- This agent can be introduced therein in the usual quantities well known to the profession. But the introduction of the retention agent can also be done, and indifferently, directly in the medium for treating cellulosic textile articles using the product according to the invention.
- This preparation process which allows the adsorption of the enzyme by perlite, consists in spraying an aqueous solution of said cellulolytic enzyme on the thermally expanded perlite particles, placed in a suitable mixer, the spraying being carried out at a temperature at most equal to 50 ° C. for a time of at most 30 minutes and preferably of at most 20 minutes.
- the aqueous solution of the cellulolytic enzyme to be sprayed comprises:
- the amount of the aqueous solution of the cellulolytic enzyme desirably introduced into the mixer is generally between 50 and 200 parts by weight and preferably between 100 and 150 parts by weight per 100 parts by weight of expanded perlite.
- the particulate product thus prepared is in the form of granules of dry appearance. It can then be used in this form in the treatment of textile articles in an aqueous medium.
- the quantity of particulate product introduced into the treatment medium is determined according to the weight of the textile articles to be treated and according to the weight ratio: particulate product / textile articles, which can be chosen between 1/100 and 10/100 and preferably between 3 / 100 and 6/100.
- the amount of water necessary for the treatment of the textile article with the particulate product according to the invention is determined according to the weight of the textile articles to be treated and according to the weight ratio textile articles / water which can be chosen between 1 / 1 and 1/50 and preferably between 1/3 and 1/10. It may also be advantageous to introduce into the treatment bath for textile articles with the product according to the invention:
- a chelating agent chosen from those well known, such as, for example, hydroxylated or non-hydroxylated amino-carboxylic acids, hydroxylated carboxylic acids, phosphates, polyphosphates, zeolites, carboxylic acids, carbohydrates, silicates, polyhydroxysulfonates;
- a wetting agent chosen from those well known and in particular poly (ethylene oxide) glycols and their derivatives, the alkyl chain of which comprises between 5 and 15 carbon atoms and 5 to 10 ethylene oxide units.
- aqueous enzymatic composition comprising: - 500 parts by weight of cellulolytic enzyme at neutral pH at 120 ECU / g sold by the company NOVO, under the reference DEN ⁇ MAX ULTRA L;
- aqueous enzyme composition previously prepared is injected into the mixer by spraying, the temperature of the medium being 30 ° C., the kneading taking place for a period of 12 minutes. 140 parts of enzyme solution were used per 100 parts of expanded perlite. Under these conditions, the adsorption of the enzymatic composition by perlite is complete, and the product obtained in the form of particles is homogeneous.
- Example 2
- Tests 1 and 2 are carried out in the same industrial installation: it is an ERTEC machine, with a horizontal axis and reversing the direction of rotation, the rotation speed of which is usual.
- Tests 1 and 2 are preceded by desizing of the textile articles in a bath, for 10 minutes at 60 ° C., comprising an amylase (Thoramyl S from the company Thor), an anti-redeposition agent, a wetting agent. Desizing is followed by one or two aqueous rinses.
- the particulate product according to the invention was prepared in accordance with Example 1.
- the conditions for the wash-out treatment are combined in Table I.
- the textile articles are subjected to washing at 70 ° C for 10 minutes using an aqueous solution containing 2 g / l of DURALKAN CTI washing agent from the company THOR to remove the indigo extract. of fiber, then two aqueous cold rinses, and finally a softening at 40 ° C with ETAPURON from the company THOR, in order to give the textile articles a pleasant feel.
- Textile articles which have undergone the treatment according to the state of the art offer a surface state and color wash as desired but show the presence of tears and cuts in the areas of folds and thicknesses.
- Textile articles having undergone the treatment according to the invention by means of the particulate product offer a surface condition having more velvet feel than the control and an absolutely equivalent color wash. In addition, no tears or cuts are visible.
- EXAMPLE 3 Comparative industrial application with the treatment of textile articles based on cotton (jeans) dyed with indigo, by the implementation of the perlite process with the control test 3, belonging to the state of the art (according to one of the most recent methods, as proposed in the international patent application published under the number WO-A-95 09225), and of the method according to the invention with test 4. Tests 3 and 4 were carried out in the same industrial installation as that used in Example 2.
- the powder composition according to the prior art for the treatment of cellulose-based textile articles was prepared by the physical mixing of the various compounds constituting it.
- the dispersing agent is a poly (oxyethylene) glycol with an alkyl chain comprising 13 carbon atoms and 7 ethylene oxide units.
- the particulate product according to the invention was prepared in accordance with Example 1.
- Example 2 The tests are preceded by desizing, followed by two aqueous rinses, in a manner analogous to Example 2.
- the textile articles were subjected to leaching, rinsing and softening treatments similar to those of Example 2.
- the particulate product for test 6 was therefore prepared with all the components of control test 5, according to the process for preparing the product of the invention.
- Tests 5 and 6 were carried out in the same industrial installation as that used in Examples 2 and 3. The tests are preceded by desizing and rinsing similar to those of Examples 2 and 3.
- the textile articles were subjected to leaching, rinsing and softening treatments similar to those of Examples 2 and 3.
- test 5 and test 6 A significant difference in appearance between test 5 and test 6 is noted on all the textile articles treated.
- the product according to the invention saves 20% of treatment time at identical dosage, or saves 20% of product for an identical treatment time.
- a more advanced treatment is carried out, for an identical treatment time, which translates for an identical quality by a saving of time or a saving of product.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Detergent Compositions (AREA)
- Coloring (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69612399T DE69612399D1 (de) | 1995-09-26 | 1996-09-19 | Produkt und verfahren zum modifizieren von oberflächen und/oder farben von textil-artikeln |
AU70891/96A AU7089196A (en) | 1995-09-26 | 1996-09-19 | Treatment method and product for modifying the surface state and/or the shade of textile articles |
EP96931879A EP0876529B1 (fr) | 1995-09-26 | 1996-09-19 | Produit et procede pour le traitement modificateur de l'etat de surface et/ou de la teinte d'articles textiles |
AT96931879T ATE200319T1 (de) | 1995-09-26 | 1996-09-19 | Produkt und verfahren zum modifizieren von oberflächen und/oder farben von textil-artikeln |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR95/11536 | 1995-09-26 | ||
FR9511536A FR2739109B1 (fr) | 1995-09-26 | 1995-09-26 | Produit et procede pour le traitement modificateur de l'etat de surface et/ou de la teinte d'articles textiles |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997012088A1 true WO1997012088A1 (fr) | 1997-04-03 |
Family
ID=9483122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1996/001463 WO1997012088A1 (fr) | 1995-09-26 | 1996-09-19 | Produit et procede pour le traitement modificateur de l'etat de surface et/ou de la teinte d'articles textiles |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0876529B1 (fr) |
AT (1) | ATE200319T1 (fr) |
AU (1) | AU7089196A (fr) |
DE (1) | DE69612399D1 (fr) |
FR (1) | FR2739109B1 (fr) |
MA (1) | MA23976A1 (fr) |
TN (1) | TNSN96123A1 (fr) |
TR (1) | TR199800556T1 (fr) |
WO (1) | WO1997012088A1 (fr) |
ZA (1) | ZA968058B (fr) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2591624A1 (fr) * | 1985-12-16 | 1987-06-19 | Thauront Henri | Procede de lavage a la pierre de tissus |
WO1990002790A1 (fr) * | 1988-09-15 | 1990-03-22 | Ecolab Inc. | Compositions et procedes permettant de modifier l'intensite des couleurs |
WO1990007569A1 (fr) * | 1989-01-09 | 1990-07-12 | Cayla | Procede de delavage heterogene d'articles a base de coton teint |
US4954138A (en) * | 1988-11-07 | 1990-09-04 | Norton Company | Stone to finish stone washed jeans |
WO1991017235A1 (fr) * | 1990-05-04 | 1991-11-14 | Genencor International, Inc. | Granules contenant a la fois une enzyme et un agent protecteur d'enzyme, et compositions de detergent contenant lesdits granules |
FR2666812A1 (fr) * | 1990-09-15 | 1992-03-20 | Roehm Gmbh | Enzymes immobilisees, leur preparation et leur utilisation. |
WO1995009225A1 (fr) * | 1993-09-27 | 1995-04-06 | Novo Nordisk A/S | Composition et procede pour le traitement de tissus teints |
-
1995
- 1995-09-26 FR FR9511536A patent/FR2739109B1/fr not_active Expired - Fee Related
-
1996
- 1996-09-19 AT AT96931879T patent/ATE200319T1/de not_active IP Right Cessation
- 1996-09-19 AU AU70891/96A patent/AU7089196A/en not_active Abandoned
- 1996-09-19 WO PCT/FR1996/001463 patent/WO1997012088A1/fr active IP Right Grant
- 1996-09-19 DE DE69612399T patent/DE69612399D1/de not_active Expired - Lifetime
- 1996-09-19 EP EP96931879A patent/EP0876529B1/fr not_active Expired - Lifetime
- 1996-09-19 TR TR1998/00556T patent/TR199800556T1/xx unknown
- 1996-09-25 MA MA24356A patent/MA23976A1/fr unknown
- 1996-09-25 ZA ZA968058A patent/ZA968058B/xx unknown
- 1996-09-26 TN TNTNSN96123A patent/TNSN96123A1/fr unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2591624A1 (fr) * | 1985-12-16 | 1987-06-19 | Thauront Henri | Procede de lavage a la pierre de tissus |
WO1990002790A1 (fr) * | 1988-09-15 | 1990-03-22 | Ecolab Inc. | Compositions et procedes permettant de modifier l'intensite des couleurs |
US4954138A (en) * | 1988-11-07 | 1990-09-04 | Norton Company | Stone to finish stone washed jeans |
WO1990007569A1 (fr) * | 1989-01-09 | 1990-07-12 | Cayla | Procede de delavage heterogene d'articles a base de coton teint |
WO1991017235A1 (fr) * | 1990-05-04 | 1991-11-14 | Genencor International, Inc. | Granules contenant a la fois une enzyme et un agent protecteur d'enzyme, et compositions de detergent contenant lesdits granules |
FR2666812A1 (fr) * | 1990-09-15 | 1992-03-20 | Roehm Gmbh | Enzymes immobilisees, leur preparation et leur utilisation. |
WO1995009225A1 (fr) * | 1993-09-27 | 1995-04-06 | Novo Nordisk A/S | Composition et procede pour le traitement de tissus teints |
Non-Patent Citations (1)
Title |
---|
"VIEILLIR LES JEANS PIERRES OU ENZYMES?", INDUSTRIE TEXTILE, no. 1214, 1 October 1990 (1990-10-01), pages 95, XP000173812 * |
Also Published As
Publication number | Publication date |
---|---|
ZA968058B (en) | 1997-07-31 |
ATE200319T1 (de) | 2001-04-15 |
TNSN96123A1 (fr) | 1998-12-31 |
FR2739109B1 (fr) | 1997-12-12 |
EP0876529A1 (fr) | 1998-11-11 |
AU7089196A (en) | 1997-04-17 |
FR2739109A1 (fr) | 1997-03-28 |
MA23976A1 (fr) | 1997-04-01 |
DE69612399D1 (de) | 2001-05-10 |
EP0876529B1 (fr) | 2001-04-04 |
TR199800556T1 (xx) | 1998-06-22 |
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