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:
Mar. 15, 1988
Filed:
Oct. 16, 1985
Applicant:
Inventor:
Anthony D Covington, Northampton, GB;
Assignee:
Tioxide Group PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C14C / ;
U.S. Cl.
CPC ...
8 9429 ; 8 2421 ; 8 9427 ; 8 9426 ; 8 94 / ; 8 9421 ;
Abstract
In a leather tanning process, animal skins are treated with a tanning agent comprising an aluminium (III)/titanium (IV) mixed complex with a salt of a polyhydroxymonocarboxylic acid as a masking compound. The masking compound preferably has the general formula: