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:
Apr. 27, 1976
Filed:
Mar. 03, 1975
Applicant:
Inventor:
Max May, Bottmingen, CH;
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C14C / ;
U.S. Cl.
CPC ...
8 9426 ; 8 9427 ; 8 9433 ;
Abstract
Disclosed is a tanning agent for leather comprising a chromium or zirconium salt, preferably the sulphate, and an aryl sulphone, the tanning of leather therewith and the use of the aryl sulphone per se in chrome, vegetable or synthetic tanning of leather and in fat liquoring processes for leather.