| Patents for C14C 1 - Treating skins or hides with chemicals, enzymes or micro-organisms prior to tanning (1,091) |
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| 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 | CN101643798B Novel auxiliary agent for leather pickling procedure |
| 12/12/2012 | EP2531596A2 A novel fungal strain beauveria sp. mtcc 5184 and a process for the preparation of enzymes therefrom |
| 12/05/2012 | CN102808047A Ripening chamber |
| 12/05/2012 | CN101871022B Method for improving flexibility of yak decorative fur/leather cutis plate by acid swelling and splitting |
| 11/14/2012 | CN101638697B Distiller condenser with solvent inflow structure in fur degreasing machine |
| 11/13/2012 | US8308821 Process for treating animal skins |
| 11/07/2012 | CN102766540A Liquid enzyme stabilizing additive and preparation method and application thereof |
| 11/07/2012 | CN101671750B Tanning method of less-bath pickled high-absorption chromium salt |
| 10/31/2012 | CN102758029A Method for chrome-free tanning beach woolfell by adopting chrome-free tanning agent |
| 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 | 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 | CN101525672B Giant salamander leather production method and product thereof |
| 10/17/2012 | CN102732649A Production process of automobile interior decorative leather with ultralow total carbon emission |
| 10/10/2012 | CN102719570A Color-changing agent and coloring process of hide red burr points |
| 10/03/2012 | CN202465731U Sectional type scraper blade structure for drum |
| 10/03/2012 | CN202465729U Tanning rotating drum |
| 10/03/2012 | CN102703621A Hide-hair double-color technology |
| 10/03/2012 | CN102703620A Chromium-free tanning production process of low-formaldehyde beach woolskin |
| 10/03/2012 | CN102703619A Energy-saving and environment-friendly mink skin tanning method |
| 10/03/2012 | CN102703239A High-efficiency low-foam type degreasing agent |
| 10/03/2012 | CN101798604B Method for preparing leather through hair-saving unhairing |
| 10/03/2012 | CN101696456B Method for raising thermal denaturation temperature of hide and hide powder through THP salt-nano clay combination tannage |
| 09/26/2012 | CN102690902A Leather tanning technology |
| 09/19/2012 | CN102676710A Method for preparing cleaned three-proofing cow split leather and prepared cleaned three-proofing cow split leather |
| 09/12/2012 | CN102657402A Fur garment and processing technology thereof |
| 09/05/2012 | CN101503742B Environment friendly depilation method and lime alkali liquor recovery device |
| 09/05/2012 | CN101265506B Ashless and alkali sulfide free depilation liming treatment method for preparing leather from goatskin |
| 08/15/2012 | CN202380004U Rewetting machine for leather billet |
| 08/08/2012 | CN202369598U Alkali spraying machine for hair removal of raw skin |
| 08/08/2012 | CN101445843B Method for carrying out unhairing and liming treatment without dust and akali sulphide during buffalo hide tanning |
| 08/01/2012 | CN202359128U Automatic alkali extraction system |
| 08/01/2012 | CN102618671A Process and device for treating leather |
| 07/25/2012 | CN101649363B Horizontal spiral rotary drum with drum door convenient for peel entering for user |
| 07/25/2012 | CN101497929B Hair protecting, dehairing and liming method for cattle hide tanning |
| 07/18/2012 | CN102586505A Circularly-tanning technology for chrome tanning liquor of sheep garment leather |
| 07/18/2012 | CN102586503A Method for treating leather by using tannery wastewater and method for producing leather |
| 07/18/2012 | CN102586497A Process for producing leather |
| 07/18/2012 | CN102583665A Leather making method for magnetically processing leather making water and leather chemical water solution into nanometer small-molecule water to be combined with ultrasonic wave enhancement technology |
| 07/11/2012 | CN102559956A Segmented scraping structure of rotary drum |
| 07/11/2012 | CN102559951A Ammonium-free deliming agent and application thereof in leather deliming process |
| 07/11/2012 | CN102559950A Tanning technology capable of performing salt-free pickling and chrome tanning of infinite circulating waste liquid and achieving mass production |
| 07/11/2012 | CN102559949A Novel leather producing process by pickling and chrome tanning by indefinitely circularly utilizing waste liquid without adding salt |
| 07/11/2012 | CN102559948A Sheepskin leather making process with infinite cycling of waste liquid for liming (or restoring ash alkalinity) |
| 07/11/2012 | CN101463397B Method for manufacturing chromium-free tanning environment protection pigskin shoes |
| 07/04/2012 | CN102534062A Tanning process capable of conducting neutralization by recycling waste liquid infinitely |
| 07/04/2012 | CN102534058A Tanning method for double-face leather |
| 07/04/2012 | CN102534057A Method for tanning Tan sheep skin with nano softening enzyme |
| 07/04/2012 | CN102534056A Tanning production process capable of recycling waste water repeatedly from soaking to dyeing |
| 07/04/2012 | CN102534055A Ashless (or less-ash) liming unhairing process by recycling waste lime liquor indefinitely |
| 07/04/2012 | CN102534054A Process method for manufacturing leather from hogskin |
| 06/27/2012 | CN102517409A Leather retanning method |
| 06/27/2012 | CN102517408A Sheepskin tanning process capable of replacing enzyme softening with excessive deliming |
| 06/27/2012 | CN102517407A Processing method of leather semi-finished product |
| 06/26/2012 | US8206461 Process and device for treating leather |
| 06/20/2012 | CN102505057A Cyclic utilization method of chrome tanning waste liquid |
| 06/20/2012 | CN102505056A Hair-protection unhairing and liming waste liquor recycling method |
| 06/20/2012 | CN102505055A Method for improving dyeing fastness of light beige semi-vegetable tanned goat leather |
| 06/20/2012 | CN102199676B Sturgeon skin chrome tanning leather production process |
| 06/20/2012 | CN102199675B Clean process for producing leather by using sturgeon skin |
| 06/13/2012 | CN102492788A Treatment method of animal fur and animal fur product |
| 06/07/2012 | US20120142073 Hide processing methods and compositions |
| 05/23/2012 | CN102465186A 皮革加工用物料打捞机 Leather processing with materials salvaged machine |
| 05/23/2012 | CN101343673B Product line for soft veins of leather |
| 05/16/2012 | CN102453774A Method for increasing shrinkage temperature of leather |
| 05/16/2012 | CN102453773A Leather soaking auxiliary agent |
| 05/16/2012 | CN101314799B Goose-down fur processing technique |
| 05/09/2012 | CN102443660A Fur tanning-piercing and printing process |
| 04/11/2012 | CN102409114A Damp effect technology for pretreatment before combination tannage of metal salts and tannin extract |
| 04/04/2012 | CN102399915A 一种环保型原皮防腐剂及其制备方法 An environmentally friendly raw leather preservative and its preparation method |
| 03/28/2012 | CN102392083A Method for manufacturing high temperature-resistant wool sheepskin for shoes and boots |
| 03/27/2012 | US8142766 Hair removal gel composition |
| 03/21/2012 | CN101307368B Method for processing elephant skin for making attitude specimen of elephas maximus |
| 02/16/2012 | WO2011158096A3 A method for treating hides |
| 02/09/2012 | WO2012017264A1 Hide processing methods and compositions |
| 02/08/2012 | CN102344975A Clean tanning hair removal expansion method |
| 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 |
| 02/02/2012 | US20120023682 Natural alternative to wax to remove unwanted hair |
| 01/18/2012 | CN202116566U Stainless steel pressure drum for leather-making process |
| 01/18/2012 | CN202116564U Ripening chamber |
| 01/04/2012 | CN102304592A Production process of suede leather |
| 01/04/2012 | CN102303940A Method for treating sludge containing trivalent chromium |
| 12/29/2011 | WO2011161135A1 Enzyme dehairing of skins and hides |
| 12/22/2011 | WO2011158096A2 A method for treating hides |
| 12/21/2011 | CN102286647A 滩羊皮环保硝制工艺 Tanned sheepskin environmental technology |
| 12/14/2011 | CN202072568U 浸灰废液的循环和再生利用系统 Cycling and recycling systems liming waste |
| 12/01/2011 | WO2011095875A3 A novel fungal strain beauveria sp. mtcc 5184 and a process for the preparation of enzymes therefrom |
| 11/29/2011 | CA2422582C Combinations of active ingredients for protecting animal skins and leather |
| 11/17/2011 | WO2011104630A8 Enzymes from conidiobolus brefeldianus and process for preparation thereof |
| 11/16/2011 | CN102242228A Novel salt-free pickling leather additive |
| 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 |
| 10/19/2011 | CN102224261A Methods of preserving hides |
| 10/19/2011 | CN102220438A Environment-friendly production method for leather dual-purpose fur |
| 10/13/2011 | US20110250151 Cold process water soluble wax containing powders |
| 10/12/2011 | CN202007235U Solution inner circulation device for rotating drum in leather production |
| 10/12/2011 | CN202007234U Stainless steel slanting rotating drum |
| 09/28/2011 | CN102199676A Sturgeon skin chrome tanning leather production process |