| Patents for C14C 3 - Tanning; Compositions for tanning (2,056) |
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| 12/03/1997 | CN1166528A Tanning of plateau naked carp skin and the fish skin product |
| 11/26/1997 | EP0808908A1 Leather and its preparation |
| 11/26/1997 | CN1165864A Method of treating leather with amphoteric polymers |
| 11/18/1997 | US5688759 Sulfated polyol fatty acid ester |
| 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 |
| 11/05/1997 | CN1163940A Process for preparing resin retaning agent |
| 10/15/1997 | EP0800346A1 Synergistic combinations of 2-(thiocyanomethylthio)benzothiazole and thiophanate compounds useful as fungicides |
| 10/09/1997 | WO1997037046A1 Use of copolymers based on ethylenically unsaturated dicarboxylic acids or dicarboxylic acid anhydrides, lower olefins and hydrophobic comonomers for after-tanning, stuffing or waterproofing leather and furs |
| 10/02/1997 | DE19612986A1 Verwendung von Copolymerisaten auf Basis ethylenisch ungesättigter Dicarbonsäuren oder Dicarbonsäureanhydride, niederer Olefine und hydrophober Comonomerer zum Nachgerben, Fetten oder Hydrophobieren von Leder und Pelzfellen The use of copolymers based on ethylenically unsaturated dicarboxylic acids or dicarboxylic lower olefins and hydrophobic comonomers for re, fats or waterproofing leather and skins |
| 09/25/1997 | DE19610553A1 Agents for improving hide cleavability before or during leather tanning |
| 09/25/1997 | DE19610552A1 Agents for improving hide cleavibility before or during leather tanning |
| 09/17/1997 | EP0795613A1 Method of treating leather with amphoteric polymers |
| 09/17/1997 | CN1159482A Fish skin nontoxic tanning technology |
| 09/03/1997 | EP0792377A1 Process for preparing leather and furs using polymer tanning agents |
| 07/03/1997 | WO1997023653A1 Use of silicon-containing terpolymers for retanning leather |
| 06/26/1997 | DE19547987A1 Verwendung von Silicium-haltigen Terpolymeren zur Nachgerbung von Leder Use of silicon-containing terpolymers for re-tanning of leather |
| 06/25/1997 | CN1152617A Chromium tanned thick soft cattlehide and making method |
| 06/19/1997 | WO1997021839A1 Use of aqueous solutions or dispersions of copolymers of carboxyl-group-containing monomers, ethylenically unsaturated acetals, cetals or orthocarboxylic acid esters and optionally other copolymerisable monomers as leather tanning agents |
| 06/19/1997 | DE19546254A1 Verwendung von wäßrigen Lösungen oder Dispersionen von Copolymerisaten aus carboxylgruppenhaltigen Monomeren, ethylenisch ungesättigten Acetalen, Ketalen oder Orthocarbonsäureestern und gegebenenfalls weiteren copolymerisierbaren Monomeren als Ledergerbstoffe The use of aqueous solutions or dispersions of copolymers from monomers containing carboxyl groups, ethylenically unsaturated acetals, ketals and orthocarboxylic acid esters, and optionally other copolymerizable monomers as Leather tanning |
| 06/11/1997 | EP0615550B1 Process for the treatment of skins, leathers or collagen-containing sheet materials using a pressurized dense fluid |
| 05/28/1997 | EP0775218A1 Dilutable aluminium triformiate tanning substances in highly concentrated and storage stable form and their use |
| 05/13/1997 | US5629376 Coatings for hard and soft surfaces including paper, wood stone, construction materials, plastics, rubber, composites |
| 04/16/1997 | EP0682676B1 Biodegradable copolymers, method of producing them and their use |
| 04/09/1997 | EP0766746A1 Masking product for a chromium-sulphate-based tanning agent, and method of tanning skins in an aqueous medium |
| 04/08/1997 | US5618317 Carbamoyl sulfonate group-containing reaction product of organic polyisocyanate, polyether alcohol, ammonium or alkali metal bisulfite or disulfite |
| 03/13/1997 | WO1997009354A1 Method for the production of polymerisates in an aqueous medium and the use thereof |
| 03/13/1997 | DE19533269A1 Verfahren zur Herstellung von Polymerisaten in wäßrigem Medium A process for the preparation of polymers in an aqueous medium |
| 03/12/1997 | EP0761823A1 Leather tanning processes and the products thereof |
| 02/26/1997 | EP0759093A1 Water-soluble or water-dispersible graft polymers of proteins as leather tanning agents |
| 02/13/1997 | WO1997005288A1 Leather tanning processes and the products thereof |
| 02/12/1997 | CN1142837A Graft copolymers of unsaturated monomers and polyhydroxy compounds, process for producing them and their use |
| 01/08/1997 | EP0728219A4 Wet treatment of leather hides |
| 01/02/1997 | EP0658172B1 Alkoxy group-containing copolymers and their use for retanning leather |
| 12/03/1996 | US5580941 Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof |
| 12/03/1996 | US5580355 Using polyaspartic acid or a salt or anhydride thereof |
| 11/27/1996 | CN1136780A Method for making calcification-resistant bioprosthetic tissue |
| 11/21/1996 | DE19517231A1 Purifying waste water from leather industry contg. chromium and surface-active components |
| 11/14/1996 | WO1996035728A1 Water-soluble copolymers, process for producing the same and their use |
| 11/14/1996 | DE19516957A1 Wasserlösliche Copolymere und Verfahren zu ihrer Herstellung und ihre Verwendung Water-soluble copolymers and processes for their preparation and their use |
| 11/14/1996 | CA2218532A1 Water-soluble copolymers, process for producing the same and their use |
| 11/05/1996 | US5571443 Synergistic combination of 2-(thiocyanomethylthio)benzothiazole and thiophanate compounds useful as fungicides |
| 10/22/1996 | US5567205 Using alkylpolyglycosides; nontoxic |
| 10/16/1996 | EP0737215A1 Graft copolymers of unsaturated monomers and polyhydroxy compounds, process for producing them and their use |
| 10/16/1996 | CN1033045C Processing method for leather with low fogging upholstery property and leather produced thereby |
| 09/12/1996 | WO1996027682A1 Process for preparing animal hides or pelts |
| 09/12/1996 | DE19507838A1 Non-hazardous, stable, water soluble tanning agents for leather or hides |
| 09/12/1996 | DE19507572A1 Verfahren zur Zurichtung von tierischen Häuten oder Fellen A process for finishing animal hides and skins |
| 09/10/1996 | US5554711 Polyisocyanate addition compounds containing cyanamide groups and their use |
| 09/04/1996 | EP0729364A1 Method of making calcification-resistant bioprosthetic tissue |
| 08/28/1996 | EP0728219A1 Wet treatment of leather hides |
| 07/17/1996 | EP0701574A4 Polyacrylic acid compositions for textile processing |
| 07/11/1996 | WO1996020602A1 Synergistic combinations of 2-(thiocyanomethylthio)benzothiazole and thiophanate compounds useful as fungicides |
| 07/11/1996 | CA2208476A1 Synergistic combinations of 2-(thiocyanomethylthio)benzothiazole and thiophanate compounds useful as fungicides |
| 07/10/1996 | EP0720643A1 Nitrogen-free, anionic active brightening agent |
| 06/19/1996 | EP0717114A2 Aqueous composition for pretanning hides or retanning of leather |
| 05/29/1996 | CN1031882C Method for preparation of anion-type water polyurethane for tanning |
| 05/29/1996 | CN1031881C Method for preparation of cation-type water polyurethane for processing hides |
| 05/23/1996 | WO1996015276A1 Process for preparing leather and furs using polymer tanning agents |
| 05/23/1996 | DE4440846A1 Verfahren zur Herstellung von Leder und Pelzfellen unter Verwendung von Polymergerbstoffen Process for the manufacture of leather and fur skins using polymer tanning |
| 05/15/1996 | EP0711842A1 Leather tanning agents and actuator for dyes |
| 05/10/1996 | CA2162222A1 Leather tanning agent and standardizing agents for dyestuffs |
| 04/30/1996 | US5512058 Process for the treatment of skins, hides or shett materials containing collagen by a dense, pressurized fluid |
| 04/17/1996 | CN1120587A Tanning technique for snake leather, its leather material processed by said technique for painting and calligraphy |
| 04/09/1996 | US5505864 Tanning agent containing a dialdehyde |
| 04/02/1996 | US5503754 Wet treatment of leather hides |
| 03/26/1996 | US5501709 Economy and plumping chrome tanning |
| 03/26/1996 | US5501708 Process for tanning hides and compounds for use therein |
| 03/26/1996 | US5501707 Maleic acid semiester and (meth)acrylic acid |
| 03/20/1996 | EP0701574A1 Polyacrylic acid compositions for textile processing |
| 03/19/1996 | US5500020 Softness, repeat tanning |
| 02/29/1996 | DE4430290A1 Leather mfr. with reduced chemical consumption and amt. of waste liquor |
| 02/22/1996 | WO1996005327A1 Dilutable aluminium triformiate tanning substances in highly concentrated and storage stable form and their use |
| 02/20/1996 | US5492539 Mixture of dialdehyde and polymer containing hydroxy groups |
| 02/15/1996 | DE4428644A1 Verdünnbare Aluminiumtriformiat-Gerbstoffe in hochkonzentrierter und lagerstabiler Form und ihre Verwendung Dilutable aluminum triformate tannins in highly concentrated and storable nature and their use |
| 01/03/1996 | EP0690135A1 Hydrogen sulfite blocked polyisocyanates as tanning agents |
| 12/29/1995 | CA2152539A1 Bisulfite-blocked polyisocyanates as tanning agents |
| 12/28/1995 | WO1995035391A1 Masking product for a chromium-sulphate-based tanning agent, and method of tanning skins in an aqueous medium |
| 12/28/1995 | CA2193368A1 Masking product for a chromium-sulphate-based tanning agent, and method of tanning skins in an aqueous medium |
| 12/21/1995 | DE4421292A1 Retanning of chrome-tanned leather |
| 12/19/1995 | US5476516 Treating glutaraldehyde with a 1,2-propanediol to form a five member ring adduct; use in bioprosthetic valves |
| 12/05/1995 | US5472741 Terpolymer from maleic anhydride and diisobutylene modified with alcohol and base |
| 11/23/1995 | WO1995031576A1 Water-soluble or water-dispersible graft polymers of proteins as leather tanning agents |
| 11/22/1995 | EP0682676A1 Biodegradable copolymers, method of producing them and their use. |
| 11/22/1995 | EP0559867B1 Use of phosphonium compounds in the production of leather |
| 11/22/1995 | CN1112162A Method for processing domestic fowls' skin with feather |
| 11/16/1995 | DE4416877A1 Wasserlöslich oder wasserdispergierbare Pfropfpolymerisate von Proteinen als Ledergerbstoffe Water-soluble or water-dispersible graft polymers of proteins as leather tanning |
| 11/08/1995 | EP0681030A2 Use of phosphonium compounds in the production of leather |
| 11/07/1995 | US5464451 A-hydroxyacrylic acid polymer |
| 10/17/1995 | US5457835 Impregnating tanned leather with an aqueous alkaline emulsion of polyisobutylene succinic anhydride and emulsifier, then acidification to form salts with chromium or aluminum ions present; waterproofing |
| 10/11/1995 | EP0624203B1 Dilutable aluminium triformate tanning agent in storage-stable highly concentrated, water-dissolved form, and its use |
| 10/04/1995 | CN1109509A Method of improving leather treatment |
| 09/27/1995 | CN1109101A Process for tie-dyeing pig leather with sheep leather appearance |
| 09/13/1995 | EP0630416A4 Anticalcification treatment for aldehyde-tanned biological tissue. |
| 07/26/1995 | EP0623178B1 Polymeric tanning agents |
| 07/04/1995 | USRE34986 Tanning agent formulation for manufacture of semifinished leather products |
| 06/29/1995 | WO1995017444A1 Graft copolymers of unsaturated monomers and polyhydroxy compounds, process for producing them and their use |
| 06/29/1995 | CA2179777A1 Graft copolymers of unsaturated monomers and polyhydroxy compounds, process for producing them and their use |
| 06/28/1995 | EP0659449A1 Thickened water |
| 06/22/1995 | DE4342909A1 Verfahren zur Aufarbeitung von chromhaltigem Natriumhydrogensulfat The method for the reprocessing of chromium containing sodium hydrogen sulfate |