FR2696477B1 - Procédé de traitement de peaux, de cuirs ou de matériaux en feuilles contenant du collagène, par un fluide dense sous pression. - Google Patents

Procédé de traitement de peaux, de cuirs ou de matériaux en feuilles contenant du collagène, par un fluide dense sous pression.

Info

Publication number
FR2696477B1
FR2696477B1 FR9211703A FR9211703A FR2696477B1 FR 2696477 B1 FR2696477 B1 FR 2696477B1 FR 9211703 A FR9211703 A FR 9211703A FR 9211703 A FR9211703 A FR 9211703A FR 2696477 B1 FR2696477 B1 FR 2696477B1
Authority
FR
France
Prior art keywords
skins
treatment
pct
dense fluid
products
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9211703A
Other languages
English (en)
Other versions
FR2696477A1 (fr
Inventor
Christian Perre
Maurice Carles
Gerard Gavend
Bernard Vulliermet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CENTRE TECHN CUIR CHAUSSURE
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
CENTRE TECHN CUIR CHAUSSURE
Commissariat a lEnergie Atomique CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FR9211703A priority Critical patent/FR2696477B1/fr
Application filed by CENTRE TECHN CUIR CHAUSSURE, Commissariat a lEnergie Atomique CEA filed Critical CENTRE TECHN CUIR CHAUSSURE
Priority to AT93921975T priority patent/ATE154397T1/de
Priority to DE69311532T priority patent/DE69311532D1/de
Priority to ES93921975T priority patent/ES2105323T3/es
Priority to PCT/FR1993/000960 priority patent/WO1994008054A1/fr
Priority to EP93921975A priority patent/EP0615550B1/fr
Priority to US08/244,206 priority patent/US5512058A/en
Priority to CA002124354A priority patent/CA2124354A1/fr
Publication of FR2696477A1 publication Critical patent/FR2696477A1/fr
Application granted granted Critical
Publication of FR2696477B1 publication Critical patent/FR2696477B1/fr
Priority to GR970402195T priority patent/GR3024556T3/el
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/32—Material containing basic nitrogen containing amide groups leather skins
    • D06P3/3206—Material containing basic nitrogen containing amide groups leather skins using acid dyes
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C1/00—Chemical treatment prior to tanning
    • C14C1/08—Deliming; Bating; Pickling; Degreasing
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • 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
    • D06M23/10—Processes in which the treating agent is dissolved or dispersed in organic solvents; Processes for the recovery of organic solvents thereof
    • D06M23/105—Processes in which the solvent is in a supercritical state
    • 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
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
    • D06P1/5292—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds containing Si-atoms
    • 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
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/642—Compounds containing nitrogen
    • D06P1/647—Nitrogen-containing carboxylic acids or their salts
    • 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
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds
    • D06P1/67333—Salts or hydroxides
    • D06P1/67341—Salts or hydroxides of elements different from the alkaline or alkaline-earth metals or with anions containing those elements
    • 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
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds
    • D06P1/67333—Salts or hydroxides
    • D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
    • D06P1/67366—Phosphates or polyphosphates
    • 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
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/94—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dyes dissolved in solvents which are in the supercritical state
    • 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
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/32—Material containing basic nitrogen containing amide groups leather skins
    • D06P3/3206—Material containing basic nitrogen containing amide groups leather skins using acid dyes
    • D06P3/3213—Material containing basic nitrogen containing amide groups leather skins using acid dyes monoazo
    • 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
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/32—Material containing basic nitrogen containing amide groups leather skins
    • D06P3/3206—Material containing basic nitrogen containing amide groups leather skins using acid dyes
    • D06P3/3213—Material containing basic nitrogen containing amide groups leather skins using acid dyes monoazo
    • D06P3/322—Material containing basic nitrogen containing amide groups leather skins using acid dyes monoazo using monoazo premetallised dyes
    • 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
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/32—Material containing basic nitrogen containing amide groups leather skins
    • D06P3/3206—Material containing basic nitrogen containing amide groups leather skins using acid dyes
    • D06P3/3226—Material containing basic nitrogen containing amide groups leather skins using acid dyes dis-polyazo
    • 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
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/32—Material containing basic nitrogen containing amide groups leather skins
    • D06P3/3206—Material containing basic nitrogen containing amide groups leather skins using acid dyes
    • D06P3/3226—Material containing basic nitrogen containing amide groups leather skins using acid dyes dis-polyazo
    • D06P3/3233—Material containing basic nitrogen containing amide groups leather skins using acid dyes dis-polyazo using dis-polyazo premetallised dyes
    • 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
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/34—Material containing ester groups
    • D06P3/343—Material containing ester groups using vat or sulfur dyes
FR9211703A 1992-10-02 1992-10-02 Procédé de traitement de peaux, de cuirs ou de matériaux en feuilles contenant du collagène, par un fluide dense sous pression. Expired - Fee Related FR2696477B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR9211703A FR2696477B1 (fr) 1992-10-02 1992-10-02 Procédé de traitement de peaux, de cuirs ou de matériaux en feuilles contenant du collagène, par un fluide dense sous pression.
DE69311532T DE69311532D1 (de) 1992-10-02 1993-10-01 Verfahren zur druckbehandlung von haeuten, ledern oder blattfoermigen, kollagenhaltigen materialien mit einem dichtem fluid
ES93921975T ES2105323T3 (es) 1992-10-02 1993-10-01 Procedimiento de tratamiento de pieles, cueros o materiales laminares que contienen colageno por medio de un fluido denso a presion.
PCT/FR1993/000960 WO1994008054A1 (fr) 1992-10-02 1993-10-01 Procede de traitement de peaux, de cuirs, ou de materiaux en feuilles contenant du collagene, par un fluide dense sous pression
AT93921975T ATE154397T1 (de) 1992-10-02 1993-10-01 Verfahren zur druckbehandlung von haeuten, ledern oder blattfoermigen, kollagenhaltigen materialien mit einem dichtem fluid
EP93921975A EP0615550B1 (fr) 1992-10-02 1993-10-01 Procede de traitement de peaux, de cuirs, ou de materiaux en feuilles contenant du collagene, par un fluide dense sous pression
US08/244,206 US5512058A (en) 1992-10-02 1993-10-01 Process for the treatment of skins, hides or shett materials containing collagen by a dense, pressurized fluid
CA002124354A CA2124354A1 (fr) 1992-10-02 1993-10-01 Procede de traitement de peaux, de cuirs, ou de materiaux en feuilles contenant du collagene, par un fluide dense sous pression
GR970402195T GR3024556T3 (en) 1992-10-02 1997-08-27 Process for the treatment of skins, leathers or collagen-containing sheet materials using a pressurized dense fluid.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9211703A FR2696477B1 (fr) 1992-10-02 1992-10-02 Procédé de traitement de peaux, de cuirs ou de matériaux en feuilles contenant du collagène, par un fluide dense sous pression.

Publications (2)

Publication Number Publication Date
FR2696477A1 FR2696477A1 (fr) 1994-04-08
FR2696477B1 true FR2696477B1 (fr) 1994-11-18

Family

ID=9434085

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9211703A Expired - Fee Related FR2696477B1 (fr) 1992-10-02 1992-10-02 Procédé de traitement de peaux, de cuirs ou de matériaux en feuilles contenant du collagène, par un fluide dense sous pression.

Country Status (9)

Country Link
US (1) US5512058A (fr)
EP (1) EP0615550B1 (fr)
AT (1) ATE154397T1 (fr)
CA (1) CA2124354A1 (fr)
DE (1) DE69311532D1 (fr)
ES (1) ES2105323T3 (fr)
FR (1) FR2696477B1 (fr)
GR (1) GR3024556T3 (fr)
WO (1) WO1994008054A1 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19507572A1 (de) * 1995-03-03 1996-09-12 Helmut Geihsler Verfahren zur Zurichtung von tierischen Häuten oder Fellen
ATE420239T1 (de) * 1997-05-30 2009-01-15 Micell Integrated Systems Inc Oberflächebehandlung
US6165560A (en) 1997-05-30 2000-12-26 Micell Technologies Surface treatment
US6344243B1 (en) 1997-05-30 2002-02-05 Micell Technologies, Inc. Surface treatment
US6287640B1 (en) 1997-05-30 2001-09-11 Micell Technologies, Inc. Surface treatment of substrates with compounds that bind thereto
US6010542A (en) * 1997-08-29 2000-01-04 Micell Technologies, Inc. Method of dyeing substrates in carbon dioxide
NL1008363C2 (nl) * 1998-02-19 1999-08-20 Tno Werkwijze voor het reinigen van vaste materialen en inrichting voor het toepassen van deze werkwijze.
TW426775B (en) * 1998-03-16 2001-03-21 Ind Tech Res Inst Method of fibers scouring
US6048369A (en) * 1998-06-03 2000-04-11 North Carolina State University Method of dyeing hydrophobic textile fibers with colorant materials in supercritical fluid carbon dioxide
US6497921B1 (en) * 1998-11-06 2002-12-24 North Carolina State University Method for meniscus coating with liquid carbon dioxide
US6083565A (en) 1998-11-06 2000-07-04 North Carolina State University Method for meniscus coating with liquid carbon dioxide
FR2800389B1 (fr) * 1999-10-29 2002-04-12 Commissariat Energie Atomique Procede de tannage de peaux ou de materiaux contenant du collagene, avec un fluide dense sous pression
US6261326B1 (en) 2000-01-13 2001-07-17 North Carolina State University Method for introducing dyes and other chemicals into a textile treatment system
US6676710B2 (en) 2000-10-18 2004-01-13 North Carolina State University Process for treating textile substrates
ITVI20010060A1 (it) * 2001-03-13 2002-09-13 Ge Ma Ta Spa Procedimento di tintura ingrasso e fissaggio delle pelli
US20050214464A1 (en) * 2002-05-02 2005-09-29 Takashi Moriyoshi Material such as hide, skin, leather or fur for use in manufacturing leather product, leather product, method for preparing said material, and method for manufacturing leather product
WO2004082858A1 (fr) * 2003-03-21 2004-09-30 Linde Aktiengesellschaft Nettoyage de pieces
EP1462185A1 (fr) * 2003-03-25 2004-09-29 Linde Aktiengesellschaft Système d'injection de détergent
ES2238926B1 (es) * 2004-02-18 2006-12-16 Universidad De Burgos Desengrasado de piel de cerdo mediante dioxido de carbono comprimido para la posterior obtencion de pasta de colageno de uso alimentario.
DE102006008190A1 (de) * 2006-02-22 2007-08-23 Linde Ag Verfahren zum Fetten von Leder
HK1104900A2 (en) * 2007-10-15 2008-01-25 Hong Kong Productivity Council A super-critical co2 waterless beam dyeing system
DE102009018232B8 (de) 2009-04-21 2011-11-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Gerbung von Tierhäuten
DE102016000243A1 (de) 2016-01-12 2017-07-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lederhydrophobierungsverfahren und damit hergestelltes Leder
CN107142757A (zh) * 2017-05-27 2017-09-08 刘振 一种皮革无水染色方法
DK180537B1 (en) * 2019-04-29 2021-06-10 Ecco Sko As Method for dyeing of leather
DK201970267A1 (en) * 2019-04-29 2020-05-13 Ecco Sko A/S APPARATUS FOR DYEING OF LEATHER

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4776173A (en) * 1985-12-20 1988-10-11 Angio-Medical Corporation Method for extracting a substance from animal derived material
US5169687A (en) * 1988-09-16 1992-12-08 University Of South Florida Supercritical fluid-aided treatment of porous materials
DE3904514C2 (de) * 1989-02-15 1999-03-11 Oeffentliche Pruefstelle Und T Verfahren zum Reinigen bzw. Waschen von Bekleidungsteilen o. dgl.
DE4004111C2 (de) * 1989-02-15 1999-08-19 Deutsches Textilforschzentrum Verfahren zur Vorbehandlung von textilen Flächengebilden oder Garnen

Also Published As

Publication number Publication date
EP0615550A1 (fr) 1994-09-21
US5512058A (en) 1996-04-30
WO1994008054A1 (fr) 1994-04-14
ES2105323T3 (es) 1997-10-16
DE69311532D1 (de) 1997-07-17
ATE154397T1 (de) 1997-06-15
EP0615550B1 (fr) 1997-06-11
GR3024556T3 (en) 1997-12-31
FR2696477A1 (fr) 1994-04-08
CA2124354A1 (fr) 1994-04-14

Similar Documents

Publication Publication Date Title
FR2696477B1 (fr) Procédé de traitement de peaux, de cuirs ou de matériaux en feuilles contenant du collagène, par un fluide dense sous pression.
Kosaric Biosurfactants in industry
NZ235305A (en) Process for making leather and furs water repellent
Kamini et al. Microbial enzyme technology as an alternative to conventional chemicals in leather industry
ES482629A1 (es) Metodo para la manufactura de pieles y cueros curtidos.
ATE119208T1 (de) Wässrige dispersionen von neuen amphiphilen co- oligomeren für die wasch- und reinigungsbeständige fettende ausrüstung von leder und pelzfellen sowie ihre verwendung.
US5900027A (en) Process for preparing animal hides or pelts
GR950300077T1 (en) Process for softening/stuffing leather and fur skins.
AU3497393A (en) Use of reaction products of homo- or copolymerisates based on monoethylenically unsaturated dicarboxylic acid anhydrides with amines or alcohols for stuffing and fulling leathers and fur pelts
DK0784706T3 (da) Fremgangsmåde til bearbejdning af huder eller skind til læder
AR248431A1 (es) Agente para el tratamiento de cuero y pieles, procedimiento para la preparacion de cueros y pieles wet-white.
GB1444102A (en) Process for treating wood
ATE255169T1 (de) Enthaarungsmittel enthaltend verdicker
Pekhtasheva et al. Biodamages and protection of leather and fur
RU2132389C1 (ru) Способ отмоки - обезжиривания шкур рыб
US20040214309A1 (en) Method for preparing leather using protease and method for treating wastes derived from leather processing
EA199700383A1 (ru) Способ обработки кожи поверхностно-активными веществами для улучшения водонепроницаемости
FR2674872B1 (fr)
CA2214446C (fr) Procede de preparation de peaux ou de fourrures animales
FR2379605A2 (fr) Procede de traitement des cuirs et peaux
GB189720125A (en) An Improved Process for Tanning Hides and Skins.
SU1556108A1 (ru) Способ обработки меховых шкур
SU1433023A1 (ru) Устройство для пропитки листовых материалов
ES2065672T3 (es) Procedimiento para el tratamiento mecanico de medios liquidos hasta muy poco pastosos.
Cordon Some aspects of protein degradation in leather processing

Legal Events

Date Code Title Description
ST Notification of lapse