Patents
Sitemap › C14 - Skins; Hides; Pelts; Leather › C14C - Treating skins, hides or leather with chemicals, enzymes or micro-organisms, e.g. tanning, impregnating or finishing; Apparatus therefor; Compositions for tanning › C14C 3 - Tanning; Compositions for tanning
Patents for C14C 3 - Tanning; Compositions for tanning (2,056)
04/2014
04/30/2014CN102453775B Chrome containing tanning agent and preparation method thereof
04/23/2014CN103739770A Preparation method of carboxyl-containing epoxy resin tanning agent
04/23/2014CN102586505B Circularly-tanning technology for chrome tanning liquor of sheep garment leather
04/23/2014CN102492079B Method for preparing nano composite high-absorptivity chrome tanning auxiliary agent by combining polycarboxylic acid copolymer with montmorillonite
04/16/2014CN103726361A Tibet lamp skin cutting and double-face leather integrated dyeing process
04/16/2014CN103725810A Method for tanning sheep shorn-pile
04/16/2014CN103060488B Environment-friendly type crust leather production method
04/16/2014CN102603956B 2-hydroxyethyl diallyl ammonium chloride derivative and preparation method and application of 2-hydroxyethyl diallyl ammonium chloride derivative to leather retanning and fat-liquoring agent
04/09/2014EP2714756A1 Polysaccharide and/or polypeptide based graft polymers as synthetic tannins
04/09/2014CN103710475A Leather tanning technology
04/09/2014CN103710474A Tanning method of shorn sheepskin
04/09/2014CN102776300B Leather chromium absorption enchancer and preparation method thereof
04/02/2014CN103696031A Method for preparing collagen fibers, collagen fibers and use of collagen fibers
04/02/2014CN103695576A Composite automatic basifying agent for tanning leathers
04/02/2014CN103695575A Process for tanning goat leather by synthetic tanning agent
04/02/2014CN103694097A Method for preparing menadione co-production chrome tanning agent with chromium-enriched sludge
04/02/2014CN102864660B Tanning and dyeing process for mink fur and leather
04/02/2014CN102758029B Method for chrome-free tanning beach woolfell by adopting chrome-free tanning agent
04/01/2014US8685111 Environmentally friendly tanning composition
03/2014
03/26/2014CN103667545A Preparation method for preparing self-alkalization chrome tanning agent with chrome sludge
03/26/2014CN103667544A High-absorption chrome tanning agent and preparation method thereof
03/26/2014CN103667543A Chrome-free metal compound tanning agent and preparation method thereof
03/26/2014CN103667542A Production technology of contrast-effect automobile seat cushion leather
03/26/2014CN103665290A Preparation method for low-formaldehyde melamine resin retanning agent
03/26/2014CN103663765A Treatment method of recycling fur chromium retanning liquid for plurality of times
03/26/2014CN103131804B Amphiprotic amphiphilic leather retanning fatting agent and preparation method thereof
03/26/2014CN102534060B Method for preparing re-tanning and fatliquoring agent
03/25/2014US8679196 Non metal tanning
03/25/2014US8679195 Tanning process and tanning composition
03/19/2014CN103649338A Composition and method for removing excess formaldehyde
03/19/2014CN103642951A Method and device for producing chromium tanning agent by using oxidized waste liquid obtained from S wax production
03/12/2014CN103627827A Chrome-free tanning method of alligator skin
03/12/2014CN103627826A Processing method of fur of fur clothes
03/12/2014CN102918168B Non metal tanning
03/12/2014CN102657402B Fur garment and processing technology thereof
03/12/2014CN102443660B Fur tanning-piercing and printing process and tanning fur
03/06/2014WO2013114414A9 Use of aluminosilicates in combination with neutralizing agents and tanning materials to obtain chrome-free leathers in tanning and retanning treatments
03/05/2014CN103613134A Method for preparing basic chromium sulfate-chrome tanning agent by using lignite wax as reducing agent
03/05/2014CN102586504B Sheepskin tanning technology
02/2014
02/27/2014US20140057116 Coated fibrous based substrates
02/26/2014CN103602764A Production process of anti-staining automobile interior leather
02/26/2014CN103602763A Organic-nano-silicate composite tanning agent with lamellae structure and tanning method thereof
02/26/2014CN102586503B Method for treating leather by using tannery wastewater and method for producing leather
02/19/2014CN103589812A Preparation method of soft leather dyed by wax
02/12/2014EP2694690A1 Solid, particulate tanning agent preparations
02/12/2014EP2694689A1 Solid, particulate material based on compounds containing carbamoylsulfonate groups
02/12/2014EP2694688A1 Composition and method for removing excess formaldehyde
02/12/2014CN102585215B Amino end group aliphatic hyperbranched polymer as well as preparation method and application thereof
02/12/2014CN102405297B Method for tanning animal skins
02/05/2014CN102757528B Preparation method of amphoteric retanning fatliquor
02/04/2014US8642185 Leather production and aqueous formulations suitable therefor
01/2014
01/29/2014CN103540693A Low-chrome tanning technology for tanning pickled first layer cow leather by nano-composite chrome tanning auxiliary with high absorption rate
01/22/2014EP2686454A1 Method for producing leather for covering aircraft seats with leather
01/22/2014CN103525956A Less-chrome tanning technology for tanning sheep skin through nano-composite high absorption chrome tanning assistant
01/22/2014CN103525955A Tanning waste liquor stepwise recycling process with good effects
01/22/2014CN102559952B Method for preparing protein stuffing for tanning with chrome-containing scrap leather from tanning
01/15/2014CN103509889A Process for tanning and softening sheepskin by multi-carboxylic nano compound chrome tanning additive
01/15/2014CN103509888A Salt-free pickling-free less-chrome combination tanning method for first layer cattle shoe upper leather
01/15/2014CN103509887A Nanocomposite-chrome powder combined retanning technology for two-layered cowhide suede leather
01/08/2014CN103502477A Solid, particulate material based on compounds containing carbamoylsulfonate groups
01/08/2014CN103502476A Solid, particulate tanning agent preparations
01/01/2014EP2678397A1 Coated fibrous based substrates
01/01/2014CN102702659B Method for preparing multifunctional retanning agents through modified starch and MMT in compounding mode
01/01/2014CN102505055B Method for improving dyeing fastness of light beige semi-vegetable tanned goat leather
12/2013
12/25/2013CN102534057B Method for tanning Tan sheep skin with nano softening enzyme
12/25/2013CN101445569B Method for making polymers
12/18/2013CN103451328A Regeneration plant tanning agent and preparation method thereof
12/18/2013CN103451327A Manufacturing method of napped leather
12/11/2013CN103436643A Environment-friendly leather-producing process by using sturgeon skins
12/05/2013WO2013023979A9 Method for dyeing substrates containing collagen fibre
11/2013
11/28/2013US20130312200 Non-Metal Tanning Process
11/27/2013CN103415627A Method for producing leather for covering aircraft seats with leather
11/27/2013CN103409568A Solid-phase tanning treatment method of natural leather powder
11/27/2013CN103409567A Chrome-free leather tanning agent and application method thereof
11/20/2013EP2225399B1 Retanning and fatliquoring agent for leather
11/20/2013CN103397116A Tanning method of Tan sheep fur
11/20/2013CN101613769B White synthetic tanning agent and preparation method thereof
10/2013
10/31/2013WO2013162084A1 Method for manufacturing leather fabric made of tuna skin
10/31/2013US20130288066 Compositions comprising at least one compound containing a carbamoyl sulfonate group and use of the same as tanning agents
10/30/2013EP2574682B1 Environmentally friendly composition, suitable for leather tanning, comprising zeolite
10/30/2013CN103374634A Accessory ingredient capable of removing and avoiding generating hexavalent chromium in leather and preparation method of accessory ingredient
10/24/2013WO2013157941A1 Composition and process for the retanning and fatliquoring of leather, and the leather prepared
10/16/2013CN103352092A Method for preparation of chrome tanning agent and combined production of vitamin K3 through using chromium-rich sludge
10/16/2013CN103352091A Cashmere sanding treatment technology
10/16/2013CN103351089A Method for preparing autoalkalization chromium tanning agent through utilizing leather making chromium-rich sludge
10/16/2013CN102505057B Cyclic utilization method of chrome tanning waste liquid
10/09/2013EP2646581A1 Process for producing leather and aqueous formulations suited therefor
10/09/2013CN102702498B Hyperbranched polymer-Al/Fe salt complex as well as preparation method and application thereof
10/09/2013CN102604004B Method for preparing flexible and full dyeing assisting type amphoteric leather retanning agent
10/09/2013CN101724719B Method for tanning non-metal tanned goat leather for making garment
10/03/2013WO2013149083A1 Engineered leather and methods of manufacture thereof
10/02/2013DE102008034151B4 Ledergerbungsmaschine und zugehöriges Verfahren zur Ledergerbung Ledergerbungsmaschine and associated method for leather tanning
09/2013
09/25/2013CN103320552A Ultrasonic-assisted through-type four-bath chromium tanning method with separated penetration and fixation
09/25/2013CN103320551A Environment-friendly fur tanning method
09/25/2013CN102516444B Acrylic resin retanning agent and preparation method thereof
09/25/2013CN102260763B Modified chitosan amphoteric polymer retanning agent and preparation method thereof
09/25/2013CN101965412B Poly hydroxyl alkyl phosphine-organic silicon tanning agent, its preparation and application in fur tanning
09/19/2013US20130239340 Non Metal Tanning
09/18/2013EP2638181A1 Non metal tanning
09/18/2013EP2638180A1 Non metal tanning
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