| Patents for C14C 1 - Treating skins or hides with chemicals, enzymes or micro-organisms prior to tanning (1,091) |
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| 08/12/2009 | CN101503742A Environment friendly depilation method and lime alkali liquor recovery device |
| 08/05/2009 | EP1511865B1 Method for removing horn substance from skins, pelts, or furs |
| 08/05/2009 | CN101497929A Hair protecting, dehairing and liming method for cattle hide tanning |
| 08/05/2009 | CN100523221C Method for degreasing animal skins at ultralow interfacial surface tension |
| 08/05/2009 | CN100523220C A novel ecofriendly bio-process for leather processing |
| 08/05/2009 | CN100523219C Process for lime and sulfide free unhairing of skins or hides using animal and/or plant enzymes |
| 07/29/2009 | CN100519766C Leather stealth material and its preparing method |
| 07/29/2009 | CN100519765C Antistatic leather and its preparing method |
| 07/28/2009 | CA2578185C Use of 2-mercapto-pyridine n-oxide |
| 07/15/2009 | CN101484591A An improved process for dehairing and fibre opening of hide/skin |
| 07/09/2009 | US20090172890 Method for Producing Leather |
| 07/01/2009 | CN101473046A Fungicidal compositions and methods of using the same |
| 06/17/2009 | CN201258332Y Fluid channeling double distillation box structure in fur degreasing machine |
| 06/17/2009 | CN100500869C Treatment agent of compound enzyme skin sollagen |
| 06/11/2009 | US20090149666 Method for the production of bisepoxides and dithiols |
| 06/10/2009 | CN100497659C organosilicon and enzyme hair-protection and hair-removing composition and method for hair-protection and hair-removing animal skin by the same |
| 06/04/2009 | US20090139006 Abcite reinforced leather product and method for producing the same |
| 06/03/2009 | CN101445843A Method for carrying out unhairing and liming treatment without dust and akali sulphide during buffalo hide tanning |
| 06/03/2009 | CN101445842A Manufacturing method of double-faced waterproofing pile-face dual-purpose leather of indumentum and leather boards |
| 06/03/2009 | CN101445841A Method for decorating rough surface of fur skin and obtained product |
| 05/26/2009 | US7537926 Simple, low cost batch reactor; using naturally occuring bacteria in organic waste material for hydrocarbon digestion; ultrafiltration after settling; on site operation; hydraulic oil, contaminated diesel fuel, lube oils, solvent and water based paints |
| 05/20/2009 | EP2059123A2 Pickering emulsion formulations |
| 05/20/2009 | DE112007001827T5 Verbessertes Verfahren zum Enthaaren und zum Faseraufschluss von Fell/Haut An improved method for hair removal and fiber digestion of fur / skin |
| 05/06/2009 | EP1656459B1 A process for leather making using saline water |
| 05/05/2009 | US7527652 Dithiol compositions and methods of treating animal hides using the same |
| 04/29/2009 | CN101418354A Method for producing goat grease soft instep leather SP-F |
| 04/29/2009 | CN100482807C Environment friendly depilation composition and its depilation method in water bath |
| 03/04/2009 | CN101376913A Attapulite powdery animal depilating agent |
| 01/28/2009 | CN101353707A Improved method for solving all process defects before leather is pickled and use thereof |
| 01/14/2009 | CN101343673A Product line for soft veins of leather |
| 12/24/2008 | WO2008122640A3 An enzymatic treatment of skin and hide degreasing |
| 12/17/2008 | CN101323888A Method for making goose down fur |
| 12/10/2008 | CN101319254A Cleaning treatment process for cow leather |
| 12/09/2008 | US7461526 Spiral system reactor for the treatment of hides and skins |
| 12/03/2008 | CN101314799A Goose-down fur processing technique |
| 11/19/2008 | CN101307368A Method for processing elephant skin for making attitude specimen of elephas maximus |
| 10/30/2008 | DE10221152B4 Verfahren zur Herstellung sauberer Blößen in der Wasserwerkstatt Process for the production of clean pelts in the Water Workshop |
| 10/16/2008 | WO2008122640A2 An enzymatic treatment of skin and hide degreasing |
| 09/24/2008 | CN101270396A Method for tanning hogskin suede-inverse clothing leather with non-chromium metalloid composite tanning agent |
| 09/17/2008 | CN101265506A Ashless and alkali sulfide free depilation liming treatment method for preparing leather from goatskin |
| 09/17/2008 | CN101265505A Ashless and alkali sulfide free depilation liming treatment method for preparing leather from raw sheep skin |
| 09/10/2008 | CN101260443A Ashless and alkali sulfide free liming treatment method for preparing leather from cowskin |
| 08/21/2008 | US20080199658 Leather Made Of Tuna Skin And The Manufacturing Method Thereof |
| 08/07/2008 | WO2008093353A1 An improved process for dehairing and fibre opening of hide/skin |
| 08/06/2008 | CN101235422A Animal fur complex enzyme depilatory and application thereof |
| 08/06/2008 | CN101235421A Animal fur clean depilation and fur fiber loosing method for preparing leather and application thereof |
| 07/31/2008 | US20080182494 System for Reducing Microbial Levels on the Hide of an Animal |
| 07/31/2008 | DE102007005053A1 Verfahren zur enzymatischen Herstellung von Wasserstoffperoxid Process for the enzymatic production of hydrogen peroxide |
| 07/29/2008 | US7404826 Method for removing horn substance from skins, pelts or furs |
| 07/02/2008 | EP1663964B1 Method for the production of bisepoxides and dithiols |
| 06/11/2008 | EP1521850B1 Total lime and sulfide free unhairing process using animal and/or plant enzymes |
| 05/28/2008 | CN100390302C Cleaning depilation method |
| 05/08/2008 | US20080104767 Chemical Treatment of Animal Skins |
| 04/16/2008 | EP1304389B1 Enzymatic unhairing agent for use in tanning for producing leather and method for enzymatic unhairing treatment |
| 04/16/2008 | CN100381582C Method for ash-free and no-sulfurizing alkaline liming treatment for making pigskin leather |
| 04/16/2008 | CN100381581C Method for removing horn substance from skins, pelts, or furs |
| 04/16/2008 | CN100381580C Shaped tanning method of leather |
| 04/09/2008 | EP1907593A1 Leather made of tuna skins and the manufacturing method thereof |
| 03/12/2008 | CN100374558C Unhairing protease and polynucleotide encoding same |
| 01/30/2008 | CN100364967C Method for the production of bisepoxides and dithiols |
| 01/23/2008 | CN101111610A Method of protecting an animal skin product from metalloproteinase activity |
| 01/10/2008 | US20080005849 Method of making genuine leather |
| 01/09/2008 | CN101103125A Product for pelt conditioning for tanning: process for pelt conditioning and following tanning |
| 12/27/2007 | WO2007127211A3 Fungicidal compositions and methods of using the same |
| 12/27/2007 | US20070294835 Process and Compositions for Wet Degreasing of Pelts, Skins, Hides, Leather Intermediate Products and Non-Finished Leather |
| 12/05/2007 | EP1694873B1 Process for treating animal skins |
| 11/15/2007 | US20070261175 Method for Shaping Animal Hide |
| 11/14/2007 | EP1853738A2 Product for pelt conditioning for tanning: process for pelt conditioning and following tanning |
| 11/08/2007 | WO2007127211A2 Fungicidal compositions and methods of using the same |
| 11/08/2007 | CA2650596A1 Fungicidal compositions and methods of using the same |
| 11/01/2007 | US20070251020 Fungicidal compositions and methods of using the same |
| 10/30/2007 | US7288119 Quick-drying non-aqueous, thermoplastic leather dye of dye or pigment dispersed in polyacrylate resin, C-3 and C-4 alcohol mixture, n-butyl acetate, and propylene glycol monomethyl ether; dryable in less than one minute |
| 10/10/2007 | CN200958107Y Leather degreasing rotary drum |
| 10/10/2007 | CN101050476A Method for producing material of leather of far infrared, warm, health care dress |
| 09/26/2007 | EP1836323A1 Method of protecting an animal skin product from metalloproteinase activity |
| 09/19/2007 | EP1834938A1 Improvements to patent of invention p200001758, method for the transformation of chrome-free tanning waste and products thus obtained |
| 09/19/2007 | CN101037407A Method for the production of bisepoxides and dithiols |
| 08/29/2007 | CN101027415A Process and compositions for wet degreasing of pelts, skins, hides, leather intermediate products and non-finished leather |
| 08/23/2007 | US20070192962 Aqueous Compositions Containing Alkoxylated Alcohols And Hydrophobic Components, Method For The Production And Use Thereof |
| 08/15/2007 | EP1817434A1 Chemical treatment of animal skins |
| 08/02/2007 | WO2006060297A8 Method of protecting an animal skin product from metalloproteinase activity |
| 08/01/2007 | CN101010437A Process for treating animal skins |
| 07/31/2007 | US7250062 Treating a hide in an aqueous liquor of lime and a hydroxy mercaptan or its alkali metal or alkaline earth metal salt , and an enzyme which catalyzes the hydrolysis of peptide bonds |
| 07/26/2007 | WO2006089384A8 Product for pelt conditioning for tanning: process for pelt conditioning and following tanning |
| 07/10/2007 | CA2214446C Process for finishing animal hides or pelts |
| 07/04/2007 | EP1802779A1 Process and compositions for wet degreasing of pelts, skins, hides, leather intermediate products and non-finished leather |
| 06/28/2007 | US20070143930 Method for removing horn substances from animal skin |
| 06/27/2007 | EP1801099A1 Dithiol mixtures in order to remove horny substances of skins |
| 06/27/2007 | CN1323174C Method for producing leather |
| 06/13/2007 | CN1978671A Leather stealth material and its preparing method |
| 06/13/2007 | CN1978670A Antistatic leather and its preparing method |
| 06/07/2007 | US20070124868 Method for the extraction of keratin from dead animal skins |
| 05/31/2007 | US20070118995 The dye specification is transmitted to a sock manufacturing site where the dye specification can be used to make an identical dyesolution for creating an identical dye bath for a given sock materials; matching shoes, uniforms, tuxedos etc. |
| 05/17/2007 | US20070107135 Method for the production of leather by using polymers |
| 05/15/2007 | CA2327416C Method and system for dehairing animals |
| 05/15/2007 | CA2293555C Use of 2-mercapto-pyridine-n-oxide |
| 05/10/2007 | US20070101509 Method for the production of leather and semifinished products, and formulations that are suitable therefor |
| 05/02/2007 | CN1955315A Triethanolamine dehairing process |
| 04/10/2007 | US7201854 Active compound combinations for protecting animal hides and leather |
| 04/05/2007 | US20070074352 Method for coating leather with dispersed synthetic resin |