| Patents for C14C 3 - Tanning; Compositions for tanning (2,056) |
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| 04/17/2013 | CN103045768A Making method of rex rabbit leather |
| 04/17/2013 | CN103045767A Method for producing mink skin |
| 04/17/2013 | CN101914637B Chrome-tanned, water-dyed and polished leather manufacturing method |
| 04/17/2013 | CN101768646B Method for preparing goose velour leather |
| 04/10/2013 | CN103030769A Polyurethane retanning filler |
| 04/10/2013 | CN102002540B Preparation method of modified Chinese gall tanning extract environmentally-friendly leather tanning agent |
| 04/10/2013 | CN101880735B Preparation method of high-performance carbon nanotube modified chrome tanning agent |
| 04/10/2013 | CN101629218B Water-soluble self-emulsifying coupled modified silicone oil composite and application in pickling, tanning and dyeing of leather making |
| 04/04/2013 | WO2013045764A1 Environmentally friendly tanning composition |
| 04/04/2013 | US20130081211 Environmentally friendly tanning composition |
| 04/04/2013 | CA2850389A1 Environmentally friendly tanning composition |
| 04/03/2013 | EP2574682A1 Environmentally friendly composition, suitable for leather tanning, comprising zeolite |
| 04/03/2013 | CN202849442U Tanning mechanism for leather tanning device |
| 04/03/2013 | CN202849440U Hydraulic lifting mechanism of leather tanning barrel |
| 04/03/2013 | CN202849439U Leather tanning device |
| 04/03/2013 | CN103014191A Method for recovering collagen and chromium salts from chromium-containing scrap leather residues |
| 04/03/2013 | CN101982548B Environment-purifying and pollution-preventing method and device for manufacturing fur coats from goose down fur |
| 04/03/2013 | CN101550459B Method for producing chamois leather using epoxidized oil |
| 03/27/2013 | CN102994657A Method for treating slunk |
| 03/27/2013 | CN102127604B Tannin-laponite chromium-free combined tanning method for manufacturing leather |
| 03/21/2013 | WO2013037872A1 Liquid active substance preparations for fungicidal protection from collagen-fibrous substrates |
| 03/20/2013 | EP2570502A1 Liquid preparations for fungicidal protection of substrates containing collagen fibres |
| 03/20/2013 | CN102978300A Method for tanning ecological automobile leather in unsalted no-pickling manner |
| 03/20/2013 | CN102978299A Manufacturing method of light, thin and soft high-strength goat gloving leather |
| 03/20/2013 | CN102978298A Totally enclosed less-chrome tanning circulation technique based on zirconium-aluminum-titanium cooperation tanning agent |
| 03/20/2013 | CN101787402B Leather retanning filler |
| 03/20/2013 | CN101323888B Method for making goose down fur |
| 03/13/2013 | CN202786270U Ecological tanning device for tibet lamb skin |
| 03/13/2013 | CN102965455A Method for preparing basic chromium sulfate tanning liquor by using tanning chromium sludge |
| 03/13/2013 | CN101871024B Method for preparing aldehyde-containing polyurethane-acrylate resin tanning agent |
| 02/27/2013 | CN102943139A Aldehyde vegetable-chrome tanning combined production method for waxed soft leather |
| 02/27/2013 | CN102943138A Manufacturing method of highly tear resistant ultrathin boot leather |
| 02/27/2013 | CN102943137A Preparation method of crazing soft bag leather |
| 02/27/2013 | CN102943136A Method for preserving catamount furs |
| 02/27/2013 | CN101891967B Method for the reactive colouring of leather |
| 02/21/2013 | WO2013023980A1 Method for hydrophobing substrates containing collagen fibers |
| 02/21/2013 | WO2013023979A1 Method for dyeing substrates containing collagen fibre |
| 02/20/2013 | CN202744401U Deep recycling system for chromium-bearing sludge leached water |
| 02/20/2013 | CN102939393A Process for producing leather |
| 02/20/2013 | CN102935327A Method for removing sulfur dioxide in tail gas from industrial kiln and method for comprehensively utilizing tail gas from industrial kiln |
| 02/13/2013 | EP2557224A1 Method for colouring substrates containing collagen fibres |
| 02/13/2013 | EP2557181A1 Method for hydrophobic finishing of substrates containing collagen fibre |
| 02/13/2013 | CN102933725A Non-metal tanning process |
| 02/13/2013 | CN102933724A Non-metal tanning |
| 02/13/2013 | CN102925597A Plant tanning method for tan sheep kivskin |
| 02/13/2013 | CN101445842B Manufacturing method of double-faced waterproofing pile-face dual-purpose leather of indumentum and leather boards |
| 02/12/2013 | US8372161 Method for the reactive coloring of leather |
| 02/06/2013 | CN102918168A Non metal tanning |
| 02/06/2013 | CN102918167A Non-metal tanning process |
| 01/22/2013 | US8357207 Leather treatment and agent |
| 01/16/2013 | CN101802071B Method for the production of aqueous formulations, aqueous formulations, and the use thereof |
| 01/09/2013 | CN102864660A Tanning and dyeing process for mink fur and leather |
| 01/09/2013 | CN101812553B Production method for non-chrome-tanned ecological automobile seat cushion leather |
| 01/09/2013 | CN101575652B Starch tanning agent and method for producing same |
| 01/03/2013 | WO2013001077A1 Composition based on compounds containing carbamoylsulfonate groups |
| 01/02/2013 | EP2540753A1 Compound on the basis of compounds containing carbamoylsulfonate groups |
| 01/02/2013 | CN102851409A Process for improving aging resistance of leather |
| 01/02/2013 | CN101871023B Method for preparing acid-resistance polyurethane-acrylic resin retanning agent |
| 01/02/2013 | CN101619366B Preparation method of amphoteric vinyl polymer/ZnO nanocomposite tanning agent |
| 12/26/2012 | CN102839237A Novel leather retanning method |
| 12/26/2012 | CN102839236A Dual-purpose modification process for native breed sheepskin leather |
| 12/26/2012 | CN102839235A Tanning processing technology for utilizing rana chensinensis skin |
| 12/19/2012 | CN102827965A Manufacture method of metal-aldehyde-free vegetable tanning oil wax bag leather |
| 12/19/2012 | CN102827964A Ecological tanning method of Tan sheep skin |
| 12/19/2012 | CN102827963A Cleaner production method of ecological tanning of Tan sheep skin |
| 12/19/2012 | CN101845524B Method for preparing acrylic acid retanning agent by using oxidation reduction system as initiator |
| 12/19/2012 | CN101781688B Fur tanning agent and preparation and application thereof |
| 12/13/2012 | WO2012170173A1 Composition and method for removing excess formaldehyde |
| 12/06/2012 | WO2012163823A1 Polysaccharide and/or polypeptide based graft polymers as synthetic tannins |
| 12/05/2012 | CN101781572B Method for preparing retanning-type leather fire retardant |
| 12/05/2012 | CN101736097B Method for manufacturing white tanned shearling |
| 12/05/2012 | CN101506388B Compounds and their use for producing leather and as dispersants |
| 11/28/2012 | CN102796831A Preparation method of composite acrylic acid retanning agent |
| 11/28/2012 | CN102140154B Method for preparing chrome-containing protein filling and retanning agent by using chrome shavings as raw materials |
| 11/28/2012 | CN101701135B Method for extracting vegetable tannin extract from dogberry kernels |
| 11/22/2012 | US20120295505 Reducing leather and method for preparing the same |
| 11/21/2012 | EP2524985A1 Restoring leather and method for making the same |
| 11/21/2012 | CN102787183A Tanning method based on amino resin tanning agent generated in situ |
| 11/21/2012 | CN102787182A Self-alkalization masking zirconium-aluminum-titanium complex tanning agent |
| 11/21/2012 | CN102787181A Zirconium-aluminum-titanium complex tanning agent based less-chrome tanning method |
| 11/21/2012 | CN102786696A Method for preparing acrylic resin |
| 11/21/2012 | CN101429567B Method of preparing protein polypeptide retanning agent |
| 11/15/2012 | WO2012153203A1 Chrome tanning process for leather making reusing exhaust chrome liquor |
| 11/14/2012 | CN102782160A Split leather base for car seats, method for manufacturing same, leather for car seats that uses same split leather base, and method for manufacturing same |
| 11/14/2012 | CN102776300A Leather chromium absorption enchancer and preparation method thereof |
| 11/14/2012 | CN101812549B Natural ecological jean leather and manufacturing method thereof |
| 11/14/2012 | CN101709337B Production technique of semi-vegetable tanning cowhide pattern-marking upper leather |
| 11/08/2012 | WO2012150179A1 Method for preserving a substrate that contains collagen fibres |
| 11/07/2012 | CN101864022B Method for preparing vinyl polymer/inorganic nanoparticle composite tanning agent by in-situ cyclopolymerization method |
| 11/07/2012 | CN101768645B Method for preparing nano-composite tanning agent containing montmorillonite and silica particles |
| 11/07/2012 | CN101532066B Preparation method for toughening type leather tanning agent |
| 10/31/2012 | CN102758029A Method for chrome-free tanning beach woolfell by adopting chrome-free tanning agent |
| 10/31/2012 | CN102757528A Preparation method of amphoteric retanning fatliquor |
| 10/31/2012 | CN101798605B Energy saving and emission reduction method for retanning and dyeing high-strength split from cattle hide for furniture |
| 10/24/2012 | CN102747173A Preparation method of aluminum-oxidized starch complex tanning agent |
| 10/24/2012 | CN102747172A Manufacturing method for chromium-free aldehyde-free tanned pigskin shoe lining leather |
| 10/24/2012 | CN102747171A Wet processing method of waterproof shoe upper leather |
| 10/24/2012 | CN102746128A Method for preparing organic tanning agent by using starch as raw material |
| 10/24/2012 | CN101649361B Method for preparing tannin modified vinyl class polymer tanning agent |
| 10/24/2012 | CN101525672B Giant salamander leather production method and product thereof |