| Patents for C14C 1 - Treating skins or hides with chemicals, enzymes or micro-organisms prior to tanning (1,091) |
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| 01/02/2002 | CN1076951C Synergistic combinations of 2-(thioicyanomethylthylthio) benzothiazole and thiophanate composition useful as fungicides |
| 12/26/2001 | CN2467524Y Air-heater for processing leather products |
| 12/12/2001 | EP1161565A1 Use of superabsorbent polymers for treating raw skins, corresponding compositions and methods and resulting treated skins |
| 11/27/2001 | US6322436 Method and system for processing waste products generated in an animal dehairing operation |
| 10/31/2001 | EP1014807B1 Impregnated salts, a method for producing said salts, and the use of the same |
| 09/05/2001 | CN1311824A Depilatory paint thickener |
| 08/23/2001 | DE10005669A1 Degreasing of pickled hides, especially sheepskins, using surfactants, especially nonionic adducts of ethylene oxide with 10-16C fatty alcohols |
| 08/22/2001 | EP1124994A1 Auxiliary for liming and loosening hairs of animal skins |
| 08/16/2001 | US20010014579 Method and system for processing waste products generated in an animal dehairing operation |
| 08/01/2001 | EP0813611B1 Process for preparing animal hides or pelts |
| 07/18/2001 | CN1304455A Auxiliary for liming and loosening hairs of animal skins |
| 06/27/2001 | EP1109939A1 Depilatory paint thickener |
| 06/14/2001 | WO2001042513A1 Enzymatic unhairing agent for use in tanning for producing leather and method for enzymatic unhairing treatment |
| 06/06/2001 | EP0883695B1 Method and composition for hair removal |
| 05/30/2001 | CN1297060A Process for processing fur and tanning |
| 05/24/2001 | US20010001479 Comprising an effective biocidal amount of an essential oil and a non-ionic surfactant |
| 04/24/2001 | US6220951 Method and system for dehairing animals |
| 04/12/2001 | WO2001025493A1 Use of superabsorbent polymers for treating raw skins, and corresponding method and treated skins |
| 03/28/2001 | CN1063798C Method for protecting and treating pig's skin at belly part |
| 03/21/2001 | EP1084279A1 Polymer tanning agents containing n-vinyl units |
| 01/31/2001 | EP0929698B1 Method for tanning skins |
| 01/25/2001 | WO2001006020A1 Auxiliary for liming and loosening hairs of animal skins |
| 01/25/2001 | DE19933968A1 Hilfsmittel für den Hautaufschluß und die Haarlockerung von Tierhäuten Aids for the skin and the hair loosening digestion of animal skins |
| 01/11/2001 | WO2001002533A1 Device and method for producing semifinished leather products |
| 12/06/2000 | EP1056346A1 Method and system for dehairing animals |
| 11/07/2000 | US6143287 Applying a mixture of liposome and phthalocyanine; applying light source |
| 10/18/2000 | EP1045039A1 Method for the preparation of leather from fish skin |
| 10/10/2000 | US6129623 Method and system for dehairing animals |
| 09/20/2000 | CN1267337A Improved treatment of hides |
| 09/14/2000 | WO2000053816A1 Use of superabsorbent polymers for treating raw skins, corresponding compositions and methods and resulting treated skins |
| 09/14/2000 | DE10008770A1 Liming and depilating skins and pelts using a catoxidative-enzymatic treatment in which the softened and defleshed skins and pelts are treated in a reductive phase in alkaline medium |
| 09/14/2000 | CA2362134A1 Use of superabsorbent polymers for treating raw skins, corresponding compositions and methods and resulting treated skins |
| 08/15/2000 | US6103512 Thermostable variants of neutral proteases of Bacillus stearothermophilus and Bacillus thermoproteolyticus |
| 07/26/2000 | EP1021567A1 Improved treatment of hides |
| 07/19/2000 | CN1260840A Use of 2-mercapto-pyridine-n-oxide |
| 07/11/2000 | US6086633 Comprise 50-95% (w/w) of a polyether antibiotic and 5-25% (w/w) of a surface-acting agent. |
| 07/05/2000 | EP1014807A1 Impregnated salts, a method for producing said salts, and the use of the same |
| 05/24/2000 | CN1254384A Method for preserving animal hides |
| 04/12/2000 | EP0991783A1 Use of 2-mercapto-pyridine-n-oxide |
| 02/08/2000 | US6022589 Conservation of organic and inorganic materials |
| 02/03/2000 | WO2000005420A1 Depilatory paint thickener |
| 02/03/2000 | CA2337889A1 Depilatory paint thickener |
| 02/02/2000 | CN1243164A Leather softening technology |
| 01/12/2000 | EP0970225A1 Improved metallo-endopeptidases |
| 01/12/2000 | CN1048278C Biodegradable copolymers, process for production and use thereof |
| 01/05/2000 | DE19930735A1 Production of stabilized wet-white leather products free of aldehyde, syntan and metal |
| 01/05/2000 | CN1240230A Protective treating method for pig skin and the part between the ribs and the hips |
| 12/15/1999 | EP0932704A4 Method for preserving animal hides |
| 12/01/1999 | EP0784706B1 A method for processing of hides or skins into leather, comprising enzymatic treatment of the hide or skin with a trypsin acting microbial protease |
| 11/16/1999 | US5985167 Wet treatment of leather hides |
| 11/04/1999 | WO1999041989A9 Method and system for dehairing animals |
| 10/21/1999 | WO1999053104A1 Polymer tanning agents containing n-vinyl units |
| 10/14/1999 | DE19815946A1 N-Vinyleinheiten enthaltende polymere Gerbstoffe N-vinyl units containing polymeric tannins |
| 08/31/1999 | US5945027 Method of using bile salts to inhibit red heat in stored brine-cured hides and skins |
| 08/26/1999 | WO1999041989A1 Method and system for dehairing animals |
| 08/04/1999 | EP0932704A1 Method for preserving animal hides |
| 07/21/1999 | EP0929698A1 Method for tanning skins |
| 06/16/1999 | CN1219975A Process and apparatus for treating leather and like |
| 05/20/1999 | DE19750246A1 Use of carboxamide gemini surfactant(s) |
| 05/20/1999 | DE19750245A1 Use of anionic geminal surfactant(s) in cosmetic applications |
| 05/04/1999 | US5900027 Process for preparing animal hides or pelts |
| 03/23/1999 | US5885302 Conditioning the hide or skin by reacting 3-hydroxybutanal with the collagen to block amine production and increase carboxyls to reduce the isoelectric point; chrome or vegetable tanning; simplification |
| 03/18/1999 | WO1999012432A1 Impregnated salts, a method for producing said salts, and the use of the same |
| 03/11/1999 | DE19739319A1 Getränkte Salze, ein Verfahren zu ihrer Herstellung ihre Verwendung Impregnated salts, a process for their preparation, their use |
| 03/04/1999 | WO1999010543A1 Improved treatment of hides |
| 03/04/1999 | CA2301715A1 Improved treatment of hides |
| 02/17/1999 | EP0896635A1 Process and apparatus for treating leather and the like |
| 01/05/1999 | US5856163 Lipases from hyphozyma |
| 12/17/1998 | WO1998056959A1 Use of 2-mercapto-pyridine-n-oxide |
| 12/17/1998 | DE19725017A1 Verwendung von 2-Mercapto-pyridin-N-oxid Use of 2-mercapto-pyridine N-oxide |
| 12/17/1998 | CA2661724A1 Use of 2-mercapto-pyridine n-oxide |
| 12/16/1998 | EP0883695A1 Method and composition for hair removal |
| 11/10/1998 | US5834299 Soaking, adding water and exposure to mechanical influence, subjecting to a protease and one protein disulfide redox agent |
| 11/03/1998 | US5830956 Biodegradable copolymers, methods of producing them and their use |
| 10/08/1998 | WO1998044127A1 Improved metallo-endopeptidases |
| 10/08/1998 | CA2284714A1 Improved metallo-endopeptidases |
| 10/01/1998 | DE19713112A1 Use of (alkyl)naphthalene-sulphonic, -di:sulphonic and tri:sulphonic acids for pickling unhaired hide |
| 09/30/1998 | EP0867512A1 Improved metallo-endopeptidases from Bacillus stearothermophilus |
| 09/16/1998 | CN1039827C Forced treating method for buttocks part of pighide |
| 07/15/1998 | EP0852992A2 Conservation of organic and inorganic materials |
| 06/23/1998 | US5770583 Stable sulfide compositions uses and process for preparation thereof |
| 04/23/1998 | WO1998016663A1 Method for preserving animal hides |
| 04/09/1998 | WO1998014620A1 Method for tanning skins |
| 03/31/1998 | US5733340 Aliphatic dialdehyde, anionic aromatic tanning agent,water and acid |
| 03/18/1998 | CN1176664A A method for processing of hides or skins into leather, comprising enzymatic treatment of the hide or skin with a trypsin acting microbial protease |
| 03/10/1998 | US5725599 Anionic monomers and nonionic groups |
| 02/04/1998 | EP0822263A1 Leather tanning process |
| 01/28/1998 | CN1171722A Synergistic combinations of 2- (thiocyanomethylthio) benzothiazole and thiophanate compounds useful as fungicides |
| 01/21/1998 | CN1171135A Method for dehairing of hides by enzymes |
| 01/20/1998 | US5710040 Stable enzymatic aqueous liquid composition for the production of leather |
| 12/29/1997 | EP0813611A1 Process for preparing animal hides or pelts |
| 11/26/1997 | EP0778900A4 Pickling of hides and skins |
| 11/13/1997 | WO1997042350A1 Process and apparatus for treating leather and the like |
| 11/13/1997 | CA2253486A1 Process and apparatus for treating leather and the like |
| 10/15/1997 | EP0800346A1 Synergistic combinations of 2-(thiocyanomethylthio)benzothiazole and thiophanate compounds useful as fungicides |
| 10/08/1997 | EP0799321A1 Method for dehairing of hides or skins by means of enzymes |
| 09/04/1997 | WO1997032046A1 Method and composition for hair removal |
| 07/24/1997 | WO1997026374A1 Improved hide curing additive |
| 07/24/1997 | CA2215926A1 Improved hide curing additive |
| 07/23/1997 | EP0784706A1 A method for processing of hides or skins into leather, comprising enzymatic treatment of the hide or skin with a trypsin acting microbial protease |