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. 30, 1991
Filed:
Apr. 03, 1989
Applicant:
Inventors:
Paul Rathfelder, Boeblingen, DE;
Jozef Sagala, Boeblingen, DE;
Friedrich Landbeck, Holzgerlingen, DE;
Heinz Matschkal, Gaertringen, DE;
Assignee:
Schill & Seilacher GmbH & Co., Boeblingen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C14C / ;
U.S. Cl.
CPC ...
8 9433 ; 8 94 / ;
Abstract
A tanning agent formulation obtained by reacting 1 mole of an aliphatic .omega.,.omega.'- dialdehyde having 2-8 carbon atoms in the form of an aqueous solution of about 3-60% strength with about 0.2-4 moles of a hydroxy compound of the formula
Rathfelder, Paul. (1991). Tanning agent formulation for manufacture of semifinished leather (U.S. Patent No. 5011499). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5011499
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile