BR9302644A - Processo para calagem de peles e couros sob o emprego de enzimas proteoliticas em banho aquoso-alcalino - Google Patents

Processo para calagem de peles e couros sob o emprego de enzimas proteoliticas em banho aquoso-alcalino

Info

Publication number
BR9302644A
BR9302644A BR9302644A BR9302644A BR9302644A BR 9302644 A BR9302644 A BR 9302644A BR 9302644 A BR9302644 A BR 9302644A BR 9302644 A BR9302644 A BR 9302644A BR 9302644 A BR9302644 A BR 9302644A
Authority
BR
Brazil
Prior art keywords
aqueous
proteolytic enzymes
liming
alkaline bath
leather under
Prior art date
Application number
BR9302644A
Other languages
English (en)
Inventor
Juergen Dr Christner
Tilman Dr Taeger
Gertrud Wick
Original Assignee
Roehm Gmbh
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
Application filed by Roehm Gmbh filed Critical Roehm Gmbh
Publication of BR9302644A publication Critical patent/BR9302644A/pt

Links

Classifications

    • 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
    • C14C1/06—Facilitating unhairing, e.g. by painting, by liming
    • 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
    • C14C1/06—Facilitating unhairing, e.g. by painting, by liming
    • C14C1/065—Enzymatic unhairing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Cosmetics (AREA)
  • Adornments (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Glass Compositions (AREA)
  • Coloring (AREA)
  • Gloves (AREA)
  • Laminated Bodies (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
BR9302644A 1992-06-25 1993-06-24 Processo para calagem de peles e couros sob o emprego de enzimas proteoliticas em banho aquoso-alcalino BR9302644A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4220838A DE4220838A1 (de) 1992-06-25 1992-06-25 Verfahren zum Äschern von Häuten und Fellen

Publications (1)

Publication Number Publication Date
BR9302644A true BR9302644A (pt) 1994-01-11

Family

ID=6461801

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9302644A BR9302644A (pt) 1992-06-25 1993-06-24 Processo para calagem de peles e couros sob o emprego de enzimas proteoliticas em banho aquoso-alcalino

Country Status (10)

Country Link
US (1) US5508195A (pt)
EP (1) EP0575927B1 (pt)
JP (1) JP3211914B2 (pt)
KR (1) KR100256152B1 (pt)
AT (1) ATE141959T1 (pt)
BR (1) BR9302644A (pt)
DE (2) DE4220838A1 (pt)
DK (1) DK0575927T3 (pt)
ES (1) ES2091523T3 (pt)
MX (1) MX9303809A (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4332785A1 (de) * 1993-09-27 1995-03-30 Roehm Gmbh Verbessertes enzymunterstütztes Äscherverfahren
US6340458B1 (en) * 1999-11-19 2002-01-22 Reva Amir Use of enzymes for skin expansion
JP2001164300A (ja) * 1999-12-06 2001-06-19 Daiwa Kasei Kk 皮革鞣製における酵素脱毛剤及び酵素脱毛法
US20030061666A1 (en) * 2001-05-01 2003-04-03 Blc Leather Technology Centre Limited Leather Trade House Leather processing
US6777219B2 (en) * 2002-03-13 2004-08-17 Council Of Scientific And Industrial Research Process for the preparation of alkaline protease

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1011668B (it) * 1973-04-28 1977-02-10 Roehm Gmbh Procedimento di purga delle pelli
DE2917376A1 (de) * 1979-04-28 1980-11-13 Roehm Gmbh Enzymatisches verfahren zur haargewinnung und zum gleichzeitigen hautaufschluss
AT381952B (de) * 1985-04-03 1986-12-29 Oesterr Chem Werke Verfahren zum aeschern von haeuten und fellen
AT388387B (de) * 1987-09-02 1989-06-12 Oesterr Chem Werke Verfahren zum nachaeschern von bloesen und spalten
DE3802640A1 (de) * 1988-01-29 1989-08-03 Roehm Gmbh Haarerhaltendes aescherverfahren
DE3922748B4 (de) * 1989-07-11 2006-01-05 Röhm GmbH & Co. KG Enzymatisches Weichverfahren

Also Published As

Publication number Publication date
KR940005808A (ko) 1994-03-22
DE59303551D1 (de) 1996-10-02
JPH0657300A (ja) 1994-03-01
DE4220838A1 (de) 1994-01-05
KR100256152B1 (en) 2000-06-01
ES2091523T3 (es) 1996-11-01
MX9303809A (es) 1994-01-31
ATE141959T1 (de) 1996-09-15
US5508195A (en) 1996-04-16
JP3211914B2 (ja) 2001-09-25
DK0575927T3 (da) 1996-09-30
EP0575927A2 (de) 1993-12-29
EP0575927A3 (pt) 1994-02-09
EP0575927B1 (de) 1996-08-28

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