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:
Dec. 18, 1990
Filed:
Aug. 01, 1989
Applicant:
Inventors:
Rolf Wehrmann, Krefeld, DE;
Heinrich-Christian Schopper, Krefeld, DE;
Dittmar K Nerger, Pittsburgh, PA (US);
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 71 ; 528 73 ; 528 85 ; 560 26 ; 560115 ; 560158 ; 4273855 ; 4284231 ;
Abstract
Coated supports with ultra-thin, single-layer or multi-layer coating of organic polymer material have been found, in which, as polymer, polyurethanes of the structure ##STR1## are used in which A is the skeleton of an aliphatic, araliphatic or aromatic diol,
Wehrmann, Rolf. (1990). Coated supports with ultra-thin, single-layer or multi-layer coating, (U.S. Patent No. 4978732). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4978732
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile