C14C3/28 - CPC Classification Index

#1

20240263257

2024-08-08

Chrome-free tanning process of ecological leather

#2

20240182636

2024-06-06

MODIFIED POLYLACTONES USEFUL FOR FATLIQUORING

#3

20240043805

2024-02-08

IMMORTALIZED CELL LINE FOR ENGINEERED SYNTHETIC LEATHER

#4

20230279515

2023-09-07

COMPOSITION FOR MANUFACTURING LEATHER

#5

20230175082

2023-06-08

Environmentally friendly process for tanning hides

#6

20230053057

2023-02-16

LIONFISH LEATHER AND PREPARATION THEREOF

#7

20220333217

2022-10-20

Leather tanning method using chrome-free and formaldehyde-free adhesive

#8

20220298590

2022-09-22

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

#9

20220243292

2022-08-04

Method of manufacturing leather

#10

20210332450

2021-10-28

A PROCESS FOR TANNING ANIMAL HIDES

#11

20210214811

2021-07-15

METAL-FREE TANNING METHOD

#12

20200385825

2020-12-10

Chrome-free leather retanning

#13

20200291493

2020-09-17

METHOD FOR TANNING AN ANIMAL SKIN WITH DIALDEHYDES

#14

20200115253

2020-04-16

Tannery process with effluent recycling

#15

20190078169

2019-03-14

Methods for tanning animal skins

#16

20180127285

2018-05-10

Tannery process with effluent recycling

#17

20180117877

2018-05-03

Method for manufacturing hybrid-nature leather having excellent appearance quality and durability

#18

20170240980

2017-08-24

Method for treating an animal substrate

#19

20170233833

2017-08-17

Leather production using waste liquids

#20

20170114424

2017-04-27

Process for Preparing a Flame-retardant, Lightfast, Low Fogging and Degradable Car Seat Leather

#21

20160160301

2016-06-09

Process for retanning leather

#22

20160040260

2016-02-11

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

#23

20160032522

2016-02-04

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

#24

20150176094

2015-06-25

Tannery process with effluent recycling

#25

20150107028

2015-04-23

Chrome-free leather retanning

#26

20140366280

2014-12-18

Fat-liquoring

#27

20140123399

2014-05-08

Solid, particulate tanning agent preparations

#28

20140057116

2014-02-27

COATED FIBROUS BASED SUBSTRATES

#29

20140000088

2014-01-02

Method for producing leather for covering aircraft seats with leather

#30

20130288066

2013-10-31

Compositions comprising at least one compound containing a carbamoyl sulfonate group and use of the same as tanning agents

#31

20130263383

2013-10-10

VEHICLE SEAT COVER LEATHER HAVING EXCELLENT DURABILITY AND METHOD OF FABRICATING THE SAME

#32

20130239340

2013-09-19

Non metal tanning

#33

20130219634

2013-08-29

Non metal tanning

#34

20130205516

2013-08-15

Non metal tanning

#35

20130198974

2013-08-08

Non-metal tanning process

#36

20120231249

2012-09-13

CAR-SEAT SPLIT CRUST LEATHER AND METHOD FOR MANUFACTURING THE SAME, AND CAR-SEAT LEATHER USING THE CAR-SEAT SPLIT CRUST LEATHER AND METHOD FOR MANUFACTURING THE SAME

#37

20120141815

2012-06-07

Leather production and aqueous formulations suitable therefor

#38

20110078862

2011-04-07

Topcoat

#39

20110064959

2011-03-17

LOW-VOC LEATHER

#40

20100325811

2010-12-30

Leather

#41

20100223736

2010-09-09

METHOD FOR TANNING HIDES AND/OR FURS

#42

20080299406

2008-12-04

Split Leather for Car Seats and Manufacturing Method Thereof

#43

20060288494

2006-12-28

Process for producing leather

#44

20060288493

2006-12-28

Process For Producing Leather Footwear Lining

#45

20060186368

2006-08-24

Leather treated with fluorochemicals

#46

20060101584

2006-05-18

Formulation for use in chrome or chrome-free tannage

#47

20060075573

2006-04-13

Method for producing a leather semi-finished product

#48

20050138738

2005-06-30

Transposed process for making leather

#49

17397629

2022-06-21

Lionfish leather and preparation thereof