The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 1982
Filed:
May. 07, 1980
Applicant:
Inventors:
Saburo Hayashi, Kakogawa, JP;
Syohiti Okada, Kobe, JP;
Kazuyoshi Okamoto, Hyogo, JP;
Mochifumi Mizutani, Himeji, JP;
Teizo Isono, Kakogawa, JP;
Toshio Osada, Himeji, JP;
Tohru Okabe, Hyogo, JP;
Mitsuji Adachi, Himeji, JP;
Assignee:
Seitetsu Kagaku Co., Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C14C / ; C14C / ;
U.S. Cl.
CPC ...
8 9418 ; 8 9426 ; 8 9427 ;
Abstract
A tanning process comprising pickling a hide which has previously subjected to beamhouse works such as depilation if necessary, decalcification and beating, in the presence of urotropin and at least one tanning improver selected from chromium and aluminum salts as well as from phenolic compounds, organic compounds containing nitrogen and sulphur or halogen atoms, organic carboxylic acids, organotin compounds, copper compounds and arsenic compounds.