| Patents for C14C 3 - Tanning; Compositions for tanning (2,056) |
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| 05/23/2012 | CN101509046B Method of preparing environment friendly incrassation type nano-composite tanning agent for leather |
| 05/18/2012 | WO2012062413A1 Non metal tanning |
| 05/18/2012 | WO2012062412A1 Non metal tanning |
| 05/18/2012 | WO2012062411A1 Non metal tanning |
| 05/16/2012 | CN102453776A Tanning agent and preparation method thereof |
| 05/16/2012 | CN102453775A Chrome containing tanning agent and preparation method thereof |
| 05/16/2012 | CN102453774A Method for increasing shrinkage temperature of leather |
| 05/16/2012 | CN101314799B Goose-down fur processing technique |
| 05/09/2012 | CN102443660A Fur tanning-piercing and printing process |
| 05/09/2012 | CN102020719B Method for preparing modified starch tanning agent |
| 05/09/2012 | CN101880334B Preparation method of starch-based green leather tanning agent |
| 05/03/2012 | WO2012055483A1 Non-metal tanning process |
| 05/03/2012 | WO2012055482A1 Non-metal tanning process |
| 05/03/2012 | WO2012055481A1 Non metal tanning |
| 05/03/2012 | WO2012055480A1 Non metal tanning |
| 04/11/2012 | EP2437938A1 Material for use with a capacitive touch screen |
| 04/11/2012 | CN102409114A Damp effect technology for pretreatment before combination tannage of metal salts and tannin extract |
| 04/04/2012 | CN102405297A 鞣制兽皮的方法 Tanning hides methods |
| 03/28/2012 | CN102392083A Method for manufacturing high temperature-resistant wool sheepskin for shoes and boots |
| 03/21/2012 | EP2430197A1 Tanning process and tanning composition |
| 03/21/2012 | EP1567678B1 Process for tanning and tanning agent |
| 03/21/2012 | CN101641394B Method for the production of products based on cyclic organic carbonates |
| 03/08/2012 | US20120058357 Tanning Process and Tanning Composition |
| 02/29/2012 | EP2421995A1 Method for tanning animal skins |
| 02/29/2012 | CN202152349U Y型自动分格转鼓 Y-automatic sub-grid drum |
| 02/29/2012 | CN102363820A Reutilization method of chromium-containing leather production sludge |
| 02/09/2012 | WO2012016907A1 Compositions comprising at least one compound containing a carbamoyl sulfonate group and use of the same as tanning agents |
| 02/08/2012 | EP2415879A1 Compositions comprising at least one compound containing carbamoylsulfonate groups and their use as tanning agents |
| 02/08/2012 | CN102134618B 一种不含硫化物残留的牛皮皮革及其低温酶脱毛制造工艺 Which does not contain sulfides and low residual enzyme depilation cowhide leather manufacturing process |
| 02/01/2012 | EP1354069B1 Leather impregnated with temperature stabilizing material and method for producing such leather |
| 02/01/2012 | CN102336487A Method for recycling chromium sludge from waste liquor obtained through leather tanning |
| 01/25/2012 | CN102329899A Formaldehyde-free fur leather tanning method |
| 01/18/2012 | CN202116566U Stainless steel pressure drum for leather-making process |
| 01/18/2012 | CN102321771A Chrome-free metal composite tanning agent and preparation method thereof |
| 01/11/2012 | CN102312023A Secondary recycling method of pigskin chrome-free combination tannage waste liquid |
| 01/04/2012 | CN102304592A Production process of suede leather |
| 01/04/2012 | CN102303940A Method for treating sludge containing trivalent chromium |
| 12/28/2011 | CN102296131A 一种无铬鞣革用氢键复合型(甲基)丙烯酸树脂复鞣剂的制备方法 Preparation of a chrome-free tanning with hydrogen compound (meth) acrylic resin Retannage |
| 12/28/2011 | CN102296130A 一种含醛基的氢键复合型无铬树脂鞣剂的制备方法 Preparation of a hydrogen-containing aldehyde resin composite chromium-free tanning agent |
| 12/22/2011 | WO2011158168A1 Process for producing leather |
| 12/21/2011 | CN102286647A 滩羊皮环保硝制工艺 Tanned sheepskin environmental technology |
| 12/14/2011 | CN102282269A 鞣制方法和鞣制组合物 Tanning tanning methods and compositions |
| 12/14/2011 | CN102277457A 制革含铬废革屑胶原无损光催化乙二胺四乙酸二钠循环脱铬方法 Chromium tanning leather waste collagen destructive photocatalytic Disodium EDTA cycle dechromisation method |
| 12/07/2011 | CN1837254B 含有酸基团的缩合物 Acid group containing condensate |
| 11/30/2011 | CN102260763A 一种改性壳聚糖两性聚合物复鞣剂及其制备方法 A modified chitosan complex amphoteric polymer tanning agent and its preparation method |
| 11/30/2011 | CN102260762A 一种新型酚醛合成鞣剂及其制备方法 A new phenolic Syntan its preparation method |
| 11/30/2011 | CN102260761A 一种毛皮鞣剂及其制备方法 One kind of fur tanning agent and its preparation method |
| 11/23/2011 | CN102250861A Protease variants |
| 11/23/2011 | CN102250294A Preparation method of masked retanning-type high-adsorption chrome tanning accessory ingredient |
| 11/23/2011 | CN102250257A Preparation method of high-efficiency environmentally friendly tanning agent |
| 11/23/2011 | CN101104673B Dialdehyde condensates containing acid groups |
| 11/16/2011 | CN102241781A Preparation method of starch and sulfomethyl phenol graft copolymer leather synthesis tanning agent |
| 11/09/2011 | EP2257649B1 Method for the production of leather having a low tendency to discolor |
| 11/09/2011 | CN102234695A Direct cyclic heating method of leather-making treatment solution |
| 11/09/2011 | CN102234694A Salt-free leather-making process capable of carrying out acid-picking chrome tannage by indefinitely recycling waste liquid |
| 11/09/2011 | CN101781392B Preparation method of formaldehyde-free leather synthetic tanning agent |
| 11/02/2011 | CN101851310B Preparation method of acrylic acid retanning agents |
| 10/27/2011 | WO2011131542A1 Products, method for producing same, and use thereof |
| 10/19/2011 | CN102220438A Environment-friendly production method for leather dual-purpose fur |
| 10/12/2011 | CN202007235U Solution inner circulation device for rotating drum in leather production |
| 10/12/2011 | CN202007234U Stainless steel slanting rotating drum |
| 10/12/2011 | CN102212625A Amphoteric vinyl copolymer retanning agent and preparation method thereof |
| 10/12/2011 | CN102212624A Novel leather tanning agent and preparation method thereof |
| 10/05/2011 | CN102206717A Method for preparing zirconium-aluminum multi-metal tanning liquor |
| 09/28/2011 | CN102199676A Sturgeon skin chrome tanning leather production process |
| 09/28/2011 | CN102199675A Clean process for producing leather by using sturgeon skin |
| 09/14/2011 | CN201971844U 一种转鼓 One kind of drum |
| 09/14/2011 | CN102181587A Method for combining and tanning THP salt-Laponite |
| 08/31/2011 | CN102168154A Method for preparing polynuclear low-chromium leather tanning agent |
| 08/31/2011 | CN102168153A Processing method of seawater-proof vamp leather |
| 08/24/2011 | EP2205768B1 Method for producing leather |
| 08/24/2011 | CN102162015A Comb-shaped amphiphilic modified styrene-maleic anhydride (SMA) tanning agent and preparation method thereof |
| 08/23/2011 | US8002846 Method for manufacturing protein filling agent for leather utilizing animal hairs |
| 08/17/2011 | CN102154530A Internal circulating device for solution in rotary drum during leather production |
| 08/17/2011 | CN102153699A Method for preparing leather retanning and greasing agent of poly (long-chain fatty alcohol-itaconic acid monoester) and acrylic acid copolymer |
| 08/03/2011 | EP2351736A1 Solutions of thioethers and their use in the production of leather. |
| 08/03/2011 | CN201915107U 木转鼓结构 Wooden bowl structure |
| 08/03/2011 | CN102140154A Method for preparing chrome-containing protein filling and retanning agent by using chrome shavings as raw materials |
| 07/27/2011 | CN201908096U Ultrasonic wave fur wet processing device |
| 07/27/2011 | CN102134619A Buffalo hide leather treating method |
| 07/27/2011 | CN102134618A Cow leather without sulfide residues and low-temperature enzyme unhairing preparation process thereof |
| 07/21/2011 | WO2011085696A1 Restoring leather and method for making the same |
| 07/21/2011 | CA2787180A1 Reducing leather and method for preparing the same |
| 07/20/2011 | CN102127606A Method for retanning leather by using bioenzyme |
| 07/20/2011 | CN102127605A Leather tanning preparation and application method thereof |
| 07/20/2011 | CN102127604A Tannin-laponite chromium-free combined tanning method for manufacturing leather |
| 07/13/2011 | CN102120797A Preparation method of sulfonated styrene-styrene-maleic acid fatty alcohol monoester sodium salt terpolymer tanning agent |
| 07/13/2011 | CN102120796A Preparation method of fatty alcohol ether modified styrene-maleic anhydride tanning agent |
| 07/06/2011 | CN102115797A Wood rotary drum structure |
| 06/30/2011 | DE102009060176A1 Producing leather, useful for producing motor vehicle seats and seating furnitures, comprises treating and converting raw hide into wet, pre-tanned leather, folding and tanning the pre-tanned leather, dyeing, greasing and fixing leather |
| 06/30/2011 | DE102009018232B4 Verfahren zur Gerbung von Tierhäuten Method for tanning of animal hides |
| 06/29/2011 | CN102108640A Fur printing technology |
| 06/15/2011 | EP2079853B1 Process for retanning leather with hollow microspheres |
| 06/01/2011 | EP1590491B1 Adducts based on cyclic compounds and the use thereof as tanning agents and curing agents |
| 06/01/2011 | CN102080134A Manufacturing process of semi-vegetable tanned wrinkled leather of cow leather |
| 05/26/2011 | WO2011061945A1 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 |
| 05/25/2011 | CN102070759A Method for preparing water-based polyurethane leather retanning agent |
| 05/11/2011 | CN102051420A Rotary drum for improving internal baffle plate structure of drum body in leather production |
| 05/11/2011 | CN102051419A Dyeing and retanning tanning process |
| 05/11/2011 | CN102050881A Method for preparing special intumescent starch flame retardants for leather |