CH412182A - Verfahren zur enzymatischen Enthaarung beziehungsweise Entwollung von Häuten und Fellen - Google Patents
Verfahren zur enzymatischen Enthaarung beziehungsweise Entwollung von Häuten und FellenInfo
- 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
Links
- 230000035617 depilation Effects 0.000 title 1
- 230000002255 enzymatic effect Effects 0.000 title 1
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)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
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 |
ES296067A ES296067A1 (es) | 1963-02-05 | 1964-02-04 | Procedimiento para la depilación o respectivamente deslanificación enzimática de los cueros de las pieles |
FR962549A FR1381171A (fr) | 1963-02-05 | 1964-02-04 | Procédé d'ébourrage enzymatique de cuirs et peaux |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2917376A1 (de) * | 1979-04-28 | 1980-11-13 | Roehm Gmbh | Enzymatisches verfahren zur haargewinnung und zum gleichzeitigen hautaufschluss |
-
1963
- 1963-02-05 CH CH141663A patent/CH412182A/de unknown
-
1964
- 1964-02-04 GB GB4750/64A patent/GB1003851A/en not_active Expired
- 1964-02-04 ES ES296067A patent/ES296067A1/es not_active Expired
- 1964-02-04 FR FR962549A patent/FR1381171A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES296067A1 (es) | 1964-10-16 |
FR1381171A (fr) | 1964-12-04 |
GB1003851A (en) | 1965-09-08 |
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