ClassID:

118682

C14C3/22 - CPC Classification

Classification description:

Tanning; Compositions for tanning; Chemical tanning by organic agents using polymerisation products

Recent Application in this class:
#1
20260098312
2026-04-09

GRAFTED POLYMER OF MONO-UNSATURATED POLYCARBOXYLIC ACID AS DYEING AUXILIARY OR AS RE-TANNING AGENT FOR LEATHER

#2
20230279515
2023-09-07

COMPOSITION FOR MANUFACTURING LEATHER

#3
20220298590
2022-09-22

Process for tanning leathers, pre-tanning products and use thereof

#4
20220251672
2022-08-11

Light-colored polycarboxylated polysaccharide tanning agent, and preparation method and use thereof

#5
20220243292
2022-08-04

Method of manufacturing leather

#6
20200385825
2020-12-10

Chrome-free leather retanning

#7
20200115253
2020-04-16

Tannery process with effluent recycling

#8
20200071779
2020-03-05

Method for producing hydrophobicizing leather treatment agents

#9
20190284650
2019-09-19

Poly-octavinyl polyhedral oligomeric silsesquioxane-acrylic acid nano composite auxiliary agent for leather and preparation method therefor

#10
20190017127
2019-01-17

Drying unit for accommodating a plurality of elongated hollow pelt boards

#11
20180334524
2018-11-22

SYNTHESIS AND APPLICATION OF FORMALDEHYDE FREE MELAMINE GLUTARALDEHYDE AMINO RESIN AS AN EFFECTIVE RETANNING AGENT

#12
20180127285
2018-05-10

Tannery process with effluent recycling

#13
20170240980
2017-08-24

Method for treating an animal substrate

#14
20170233833
2017-08-17

Leather production using waste liquids

#15
20170058073
2017-03-02

SYNTHESIS AND APPLICATION OF FORMALDEHYDE FREE MELAMINE GLUTARALDEHYDE AMINO RESIN AS AN EFFECTIVE RETANNING AGENT

#16
20160160301
2016-06-09

Process for retanning leather

#17
20160040260
2016-02-11

Method for treating a substrate made of animal fibers with solid particles and a chemical formulation

#18
20160032522
2016-02-04

Method for treating a substrate made of animal fibers with solid particles and a chemical formulation comprising a colourant

#19
20150176094
2015-06-25

Tannery process with effluent recycling

#20
20150107028
2015-04-23

Chrome-free leather retanning

#21
20140259439
2014-09-18

Polycarboxylic Acid Polymers For Treatment of Leather

#22
20140182064
2014-07-03

Polysaccharide and/or polypeptide based graft polymers as synthetic tannins

#23
20120227188
2012-09-13

Method for the production of leather, copolymers that are suitable therefor, and further uses thereof

#24
20110078862
2011-04-07

Topcoat

#25
20100325811
2010-12-30

Leather

#26
20100199439
2010-08-12

Method for the production of aqueous formulations, aqueous formulations, and the use thereof

#27
20100192307
2010-08-05

METHOD FOR THE PRODUCTION OF AQUEOUS FORMULATIONS, AQUEOUS FORMULATIONS, AND THE USE THEREOF

#28
20100162490
2010-07-01

METHOD FOR THE PRODUCTION OF LEATHER, COPOLYMERS THAT ARE SUITABLE THEREFOR, AND FURTHER USES THEREOF

#29
20080299406
2008-12-04

Split Leather for Car Seats and Manufacturing Method Thereof

#30
20080249230
2008-10-09

Method for Treating Fibrous Substrates

#31
20080229511
2008-09-25

Process for the Preparation of Synthetic Tanning Agent for Improved Leather Characteristics

#32
20070149696
2007-06-28

Aqueous dispersions of copolymers production thereof and use of the same

#33
20070107135
2007-05-17

Method for the production of leather by using polymers

#34
20070101509
2007-05-10

Method for the production of leather and semifinished products, and formulations that are suitable therefor

#35
20070078226
2007-04-05

Use of copolymers as auxiliary agents for producing leather

#36
20070037934
2007-02-15

Method for the production of copolymers

#37
20060130241
2006-06-22

Method for producing leather