CH412182A - Verfahren zur enzymatischen Enthaarung beziehungsweise Entwollung von Häuten und Fellen - Google Patents

Verfahren zur enzymatischen Enthaarung beziehungsweise Entwollung von Häuten und Fellen

Info

Publication number
CH412182A
CH412182A CH141663A CH141663A CH412182A CH 412182 A CH412182 A CH 412182A CH 141663 A CH141663 A CH 141663A CH 141663 A CH141663 A CH 141663A CH 412182 A CH412182 A CH 412182A
Authority
CH
Switzerland
Prior art keywords
pelts
hides
curling
enzymatic depilation
depilation
Prior art date
Application number
CH141663A
Other languages
English (en)
Inventor
Hubert Dr Wachsmann
Original Assignee
Geigy Ag J R
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 Geigy Ag J R filed Critical Geigy Ag J R
Priority to CH141663A priority Critical patent/CH412182A/de
Priority to GB4750/64A priority patent/GB1003851A/en
Priority to FR962549A priority patent/FR1381171A/fr
Priority to ES296067A priority patent/ES296067A1/es
Publication of CH412182A publication Critical patent/CH412182A/de

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
    • C14C1/065—Enzymatic unhairing
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/46—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen
    • C08G18/4607—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen having halogens
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C08G18/68—Unsaturated polyesters
    • C08G18/683—Unsaturated polyesters containing cyclic groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C08G18/68—Unsaturated polyesters
    • C08G18/683—Unsaturated polyesters containing cyclic groups
    • C08G18/686—Unsaturated polyesters containing cyclic groups containing cycloaliphatic groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0025—Foam properties rigid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/005—< 50kg/m3
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/0058—≥50 and <150kg/m3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
CH141663A 1963-02-05 1963-02-05 Verfahren zur enzymatischen Enthaarung beziehungsweise Entwollung von Häuten und Fellen CH412182A (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH141663A CH412182A (de) 1963-02-05 1963-02-05 Verfahren zur enzymatischen Enthaarung beziehungsweise Entwollung von Häuten und Fellen
GB4750/64A GB1003851A (en) 1963-02-05 1964-02-04 Depilation process
FR962549A FR1381171A (fr) 1963-02-05 1964-02-04 Procédé d'ébourrage enzymatique de cuirs et peaux
ES296067A ES296067A1 (es) 1963-02-05 1964-02-04 Procedimiento para la depilación o respectivamente deslanificación enzimática de los cueros de las pieles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH141663A CH412182A (de) 1963-02-05 1963-02-05 Verfahren zur enzymatischen Enthaarung beziehungsweise Entwollung von Häuten und Fellen

Publications (1)

Publication Number Publication Date
CH412182A true CH412182A (de) 1966-04-30

Family

ID=4209930

Family Applications (1)

Application Number Title Priority Date Filing Date
CH141663A CH412182A (de) 1963-02-05 1963-02-05 Verfahren zur enzymatischen Enthaarung beziehungsweise Entwollung von Häuten und Fellen

Country Status (4)

Country Link
CH (1) CH412182A (de)
ES (1) ES296067A1 (de)
FR (1) FR1381171A (de)
GB (1) GB1003851A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917376C2 (de) * 1979-04-28 1987-03-26 Röhm GmbH, 6100 Darmstadt Enzymatisches Verfahren zur Haargewinnung und zum gleichzeitigen Hautaufschluß

Also Published As

Publication number Publication date
GB1003851A (en) 1965-09-08
ES296067A1 (es) 1964-10-16
FR1381171A (fr) 1964-12-04

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