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:
Nov. 08, 1983
Filed:
Feb. 07, 1983
Applicant:
Inventors:
Brian Milligan, North Balwyn, AU;
Peter R Buechler, Wyncote, PA (US);
Stephen H Feairheller, Wyndmoor, PA (US);
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C14C / ; C14C / ; C14C / ;
U.S. Cl.
CPC ...
8 9421 ; 8 9433 ;
Abstract
A new tanning agent, isophorone dicarbamoylsulfonate, is provided for tanning cattle hides and sheepskins. A white leather which does not discolor with exposure to sunlight and which has good fill and tensile strength is produced. The tanning agent is also effective for retanning slack chrome-tanned and zirconium-tanned cattle hides and sheepskins.