DE1233530B - Verfahren zum enzymatischen Enthaaren und bzw. oder Beizen von Haeuten und Fellen - Google Patents
Verfahren zum enzymatischen Enthaaren und bzw. oder Beizen von Haeuten und FellenInfo
- Publication number
- DE1233530B DE1233530B DEB29896A DEB0029896A DE1233530B DE 1233530 B DE1233530 B DE 1233530B DE B29896 A DEB29896 A DE B29896A DE B0029896 A DEB0029896 A DE B0029896A DE 1233530 B DE1233530 B DE 1233530B
- Authority
- DE
- Germany
- Prior art keywords
- skins
- hides
- pectinase
- pelts
- bath
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 32
- 230000035617 depilation Effects 0.000 title claims description 9
- 230000002255 enzymatic effect Effects 0.000 title claims description 9
- 230000008569 process Effects 0.000 title description 12
- 108010059820 Polygalacturonase Proteins 0.000 claims description 33
- 108010093305 exopolygalacturonase Proteins 0.000 claims description 33
- 238000002360 preparation method Methods 0.000 claims description 15
- 108090000790 Enzymes Proteins 0.000 claims description 13
- 102000004190 Enzymes Human genes 0.000 claims description 13
- 235000002639 sodium chloride Nutrition 0.000 claims description 13
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 239000011780 sodium chloride Substances 0.000 claims description 7
- 239000000080 wetting agent Substances 0.000 claims description 7
- 239000000872 buffer Substances 0.000 claims description 5
- 238000005554 pickling Methods 0.000 claims description 5
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 4
- 239000001632 sodium acetate Substances 0.000 claims description 4
- 235000017281 sodium acetate Nutrition 0.000 claims description 4
- 239000002562 thickening agent Substances 0.000 claims description 2
- 210000003491 skin Anatomy 0.000 description 75
- 238000011282 treatment Methods 0.000 description 32
- 239000000243 solution Substances 0.000 description 22
- 210000004209 hair Anatomy 0.000 description 19
- 239000000126 substance Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000000203 mixture Substances 0.000 description 14
- 229940088598 enzyme Drugs 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- 230000002951 depilatory effect Effects 0.000 description 10
- 229920000159 gelatin Polymers 0.000 description 10
- 235000019322 gelatine Nutrition 0.000 description 10
- 239000010985 leather Substances 0.000 description 10
- 239000007853 buffer solution Substances 0.000 description 9
- 239000000835 fiber Substances 0.000 description 9
- 102000004169 proteins and genes Human genes 0.000 description 8
- 108090000623 proteins and genes Proteins 0.000 description 8
- 210000002268 wool Anatomy 0.000 description 8
- 108010010803 Gelatin Proteins 0.000 description 7
- 239000008273 gelatin Substances 0.000 description 7
- 235000011852 gelatine desserts Nutrition 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- -1 parchment Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 108091005804 Peptidases Proteins 0.000 description 5
- 102000035195 Peptidases Human genes 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 210000002615 epidermis Anatomy 0.000 description 5
- 239000003292 glue Substances 0.000 description 5
- 229940024999 proteolytic enzymes for treatment of wounds and ulcers Drugs 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 210000004207 dermis Anatomy 0.000 description 4
- 235000013312 flour Nutrition 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 235000021309 simple sugar Nutrition 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 235000000346 sugar Nutrition 0.000 description 4
- 239000001828 Gelatine Substances 0.000 description 3
- 108010076876 Keratins Proteins 0.000 description 3
- 102000011782 Keratins Human genes 0.000 description 3
- 240000009120 Phyllanthus emblica Species 0.000 description 3
- 229960000583 acetic acid Drugs 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 238000009963 fulling Methods 0.000 description 3
- 239000012362 glacial acetic acid Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000005037 alkyl phenyl group Chemical group 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- JUNWLZAGQLJVLR-UHFFFAOYSA-J calcium diphosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])(=O)OP([O-])([O-])=O JUNWLZAGQLJVLR-UHFFFAOYSA-J 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 229940043256 calcium pyrophosphate Drugs 0.000 description 2
- 244000309466 calf Species 0.000 description 2
- 235000019821 dicalcium diphosphate Nutrition 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920000151 polyglycol Polymers 0.000 description 2
- 239000010695 polyglycol Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 description 1
- SSORSZACHCNXSJ-UHFFFAOYSA-N 2-[2-(3,4-dichlorophenyl)-3-[2-(2-hydroxypropylamino)pyrimidin-4-yl]imidazol-4-yl]acetonitrile Chemical compound ClC=1C=C(C=CC=1Cl)C=1N(C(=CN=1)CC#N)C1=NC(=NC=C1)NCC(C)O SSORSZACHCNXSJ-UHFFFAOYSA-N 0.000 description 1
- RCLQNICOARASSR-SECBINFHSA-N 3-[(2r)-2,3-dihydroxypropyl]-6-fluoro-5-(2-fluoro-4-iodoanilino)-8-methylpyrido[2,3-d]pyrimidine-4,7-dione Chemical compound FC=1C(=O)N(C)C=2N=CN(C[C@@H](O)CO)C(=O)C=2C=1NC1=CC=C(I)C=C1F RCLQNICOARASSR-SECBINFHSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 241000283707 Capra Species 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000031586 Elymus elymoides Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 229920002683 Glycosaminoglycan Polymers 0.000 description 1
- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
- GUBGYTABKSRVRQ-PICCSMPSSA-N Maltose Natural products O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-PICCSMPSSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 108090000526 Papain Proteins 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 239000004365 Protease Substances 0.000 description 1
- 235000017343 Quebracho blanco Nutrition 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 241000065615 Schinopsis balansae Species 0.000 description 1
- 239000004280 Sodium formate Substances 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 244000098338 Triticum aestivum Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- GUBGYTABKSRVRQ-QUYVBRFLSA-N beta-maltose Chemical compound OC[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@@H]1O GUBGYTABKSRVRQ-QUYVBRFLSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000008121 dextrose Substances 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 150000002016 disaccharides Chemical class 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 210000004177 elastic tissue Anatomy 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 229930182830 galactose Natural products 0.000 description 1
- 150000002337 glycosamines Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 229940055729 papain Drugs 0.000 description 1
- 235000019834 papain Nutrition 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 230000020155 sulfhydration Effects 0.000 description 1
- 210000000106 sweat gland Anatomy 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 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
- 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
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)
- Enzymes And Modification Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5362/53A GB785112A (en) | 1953-02-26 | 1953-02-26 | Improvements in the treatment of hides, skins and tanning liquors therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1233530B true DE1233530B (de) | 1967-02-02 |
Family
ID=9794677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEB29896A Pending DE1233530B (de) | 1953-02-26 | 1954-02-25 | Verfahren zum enzymatischen Enthaaren und bzw. oder Beizen von Haeuten und Fellen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2871162A (fr) |
| CH (1) | CH328758A (fr) |
| DE (1) | DE1233530B (fr) |
| FR (1) | FR1105476A (fr) |
| GB (1) | GB785112A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0180135A2 (fr) * | 1984-10-27 | 1986-05-07 | Röhm Gmbh | Procédé microbien d'obtention de peaux nues à partir de peau animale |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2856320A1 (de) * | 1978-12-27 | 1980-07-17 | Roehm Gmbh | Enzymatisches beizverfahren |
| DE3312840A1 (de) * | 1983-04-09 | 1984-10-11 | Röhm GmbH, 6100 Darmstadt | Verfahren zur nassentfettung von hautmaterial |
| US20040146494A1 (en) * | 2001-04-06 | 2004-07-29 | Santana Cristiano Alberto Ribeiro | Papaine containing pharmaceutical formulation resp its use |
| WO2010043709A1 (fr) * | 2008-10-17 | 2010-04-22 | Novozymes A/S | Traitement enzymatique pour le traitement du cuir |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE96936C (fr) * | ||||
| DE334526C (de) * | 1918-10-26 | 1921-03-15 | Max Emmerich | Verfahren zum Enthaaren von Haeuten und Fellen |
| FR609316A (fr) * | 1925-04-18 | 1926-08-12 | Procédé d'ébourrage et de préparation des peaux au tannage | |
| FR689858A (fr) * | 1928-06-30 | 1930-09-12 | E Lenk & F Lippner Dr | Procédé pour la fabrication de produits pour dépiler, nettoyer et ronger les peaux |
| DE888741C (de) * | 1943-09-14 | 1953-09-03 | Roehm & Haas G M B H | Verfahren zum Beizen von enthaarten Haeuten und Fellen mittels proteolytischer Enzyme |
| DE888740C (de) * | 1936-02-08 | 1953-09-03 | Roehm & Haas G M B H | Verfahren zum Enthaaren und gleichzeitigen Beizen von geweichten, alkalisch oder nicht alkalisch vorbehandelten Fellen mit Schimmelpilztryptase |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1003124A (en) * | 1911-07-15 | 1911-09-12 | Otto Roehm | Process of bating hides. |
| US1444250A (en) * | 1921-11-23 | 1923-02-06 | Swiss Ferment Company Ltd | Preparation of active animal amylase and process of making same |
| US1820957A (en) * | 1928-10-06 | 1931-09-01 | Wallerstein Co Inc | Method of preserving enzyme solutions |
| GB346836A (en) * | 1929-09-12 | 1931-04-20 | Ig Farbenindustrie Ag | Improvements in the treatment of skins and pelts |
| US1859084A (en) * | 1930-01-11 | 1932-05-17 | Standard Brands Inc | Textile treating process and composition |
-
1953
- 1953-02-26 GB GB5362/53A patent/GB785112A/en not_active Expired
-
1954
- 1954-02-22 CH CH328758D patent/CH328758A/de unknown
- 1954-02-24 US US412380A patent/US2871162A/en not_active Expired - Lifetime
- 1954-02-24 FR FR1105476D patent/FR1105476A/fr not_active Expired
- 1954-02-25 DE DEB29896A patent/DE1233530B/de active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE96936C (fr) * | ||||
| DE334526C (de) * | 1918-10-26 | 1921-03-15 | Max Emmerich | Verfahren zum Enthaaren von Haeuten und Fellen |
| FR609316A (fr) * | 1925-04-18 | 1926-08-12 | Procédé d'ébourrage et de préparation des peaux au tannage | |
| GB253549A (en) * | 1925-04-18 | 1926-10-14 | Charles Joseph Michel Marie Le | Improvements in or relating to the treatment of hides |
| FR689858A (fr) * | 1928-06-30 | 1930-09-12 | E Lenk & F Lippner Dr | Procédé pour la fabrication de produits pour dépiler, nettoyer et ronger les peaux |
| DE888740C (de) * | 1936-02-08 | 1953-09-03 | Roehm & Haas G M B H | Verfahren zum Enthaaren und gleichzeitigen Beizen von geweichten, alkalisch oder nicht alkalisch vorbehandelten Fellen mit Schimmelpilztryptase |
| DE888741C (de) * | 1943-09-14 | 1953-09-03 | Roehm & Haas G M B H | Verfahren zum Beizen von enthaarten Haeuten und Fellen mittels proteolytischer Enzyme |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0180135A2 (fr) * | 1984-10-27 | 1986-05-07 | Röhm Gmbh | Procédé microbien d'obtention de peaux nues à partir de peau animale |
| EP0180135A3 (fr) * | 1984-10-27 | 1987-05-20 | Röhm Gmbh | Procédé microbien d'obtention de peaux nues à partir de peau animale |
Also Published As
| Publication number | Publication date |
|---|---|
| US2871162A (en) | 1959-01-27 |
| CH328758A (de) | 1958-03-31 |
| FR1105476A (fr) | 1955-12-05 |
| GB785112A (en) | 1957-10-23 |
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