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Recovering tanning agents from leather
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Industry
CPC
C14C3/32
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
C
CHEMISTRY METALLURGY
C14
Leather
C14C
CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER
C14C3/00
Tanning Compositions for tanning
Current Industry
C14C3/32
Recovering tanning agents from leather
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Patents Grants
last 30 patents
Information
Patent Grant
Tannery process with effluent recycling
Patent number
11,040,890
Issue date
Jun 22, 2021
Zhuangdou Zhang
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Tannery process with effluent recycling
Patent number
10,501,336
Issue date
Dec 10, 2019
Zhuangdou Zhang
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Leather production using waste liquids
Patent number
10,260,115
Issue date
Apr 16, 2019
Zhuangdou Zhang
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Recovering chrome from a tannery process
Patent number
10,202,661
Issue date
Feb 12, 2019
Tyson Foods, Inc.
Dale F. Graham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Tannery process with effluent recycling
Patent number
9,776,887
Issue date
Oct 3, 2017
Zhuangdou Zhang
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Method of recovering chrome from a tannery process
Patent number
9,683,270
Issue date
Jun 20, 2017
Tyson Foods, Inc.
Dale F Graham
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Process for gelatines extraction and chromium salts recovery from t...
Patent number
7,077,966
Issue date
Jul 18, 2006
Artoni S.A.S. Di Artoni Giancarlo & Co.
Giancarlo Artoni
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Enzymatic processing of materials containing chromium and protein
Patent number
5,271,912
Issue date
Dec 21, 1993
The United States of America as represented by the Secretary of Agriculture
Maryann M. Taylor
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Process for recovering proteins and chromium from chrome-tanning waste
Patent number
4,483,829
Issue date
Nov 20, 1984
Giuliano Guardini
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process for chrome recovery from industrial waste and the like, as...
Patent number
4,340,571
Issue date
Jul 20, 1982
Saco Tanning Division of Kirstein Leather Co.
James E. Cartier
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Process for chrome recovery from industrial waste and the like, as...
Patent number
4,215,989
Issue date
Aug 5, 1980
Saco Tanning Division of Kirstein Leather Co.
James E. Cartier
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Recovery of chromium from tannery waste
Patent number
4,086,319
Issue date
Apr 25, 1978
Bradford H. Jones
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
2418655
Patent number
2,418,655
Issue date
Apr 8, 1947
C14 - SKINS HIDES PELTS LEATHER
Patents Applications
last 30 patents
Information
Patent Application
Tannery Process With Effluent Recycling
Publication number
20200115253
Publication date
Apr 16, 2020
Zhuangdou Zhang
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Application
Tannery Process With Effluent Recycling
Publication number
20180127285
Publication date
May 10, 2018
Zhuangdou Zhang
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Application
Leather Production Using Waste Liquids
Publication number
20170233833
Publication date
Aug 17, 2017
Zhuangdou Zhang
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Application
Tannery Process With Effluent Recycling
Publication number
20150176094
Publication date
Jun 25, 2015
Zhuangdou Zhang
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Application
METHOD OF RECOVERING CHROME FROM A TANNERY PROCESS
Publication number
20150167108
Publication date
Jun 18, 2015
TYSON FOODS, INC.
Dale F. Graham
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Application
Chrome-based product in a hydrolyzed proteic compound and process f...
Publication number
20050069472
Publication date
Mar 31, 2005
Manuela Cinzia Candido
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Application
Methods and products useful in recovering and recycling tannins
Publication number
20040168266
Publication date
Sep 2, 2004
G Wayne McGraw
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Application
Process for gelatines extraction and chromium salts recovery from t...
Publication number
20040030102
Publication date
Feb 12, 2004
Giancarlo Artoni
C14 - SKINS HIDES PELTS LEATHER