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. 12, 1988
Filed:
Aug. 01, 1986
Applicant:
Inventors:
Bruno Bomer, Bergisch-Gladbach, DE;
Franz Schade, Bergisch-Gladbach, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08C / ; C08K / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
5253278 ; 524186 ; 524236 ; 524253 ; 524401 ; 524811 ; 524833 ; 5263171 ; 5263182 ; 526271 ; 8 94 / ; 5253302 ; 525378 ; 525379 ; 525380 ; 525381 ; 525382 ;
Abstract
Terpolymers of 30 to 75% by weight of maleic acid (anhydride), 5 to 60% by weight of (meth)acrylic acid and 5 to 40% by weight of (meth)acrylonitrile are suitable as retanning agents for mineral-tanned leather.
Bomer, Bruno. (1988). Terpolymers of maleic acid anhydride, (meth)acrylic acid, and (U.S. Patent No. 4737549). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4737549
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile