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:
Jun. 03, 1980
Filed:
Feb. 12, 1979
Applicant:
Inventors:
Wolfgang Wenzel, Berg-Gladbach, DE;
Schroer, Leverkusen, DE;
Manfred Preuss, Hilden, DE;
Hans-Joachim Koch, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; B05D / ; B32B / ;
U.S. Cl.
CPC ...
4273935 ; 260 / ; 4284246 ; 428904 ; 521137 ; 525440 ; 525457 ; 525458 ;
Abstract
This invention relates to coating compositions based on aqueous polyurethane dispersions and to the use of these coating compositions for the production of top coats or finishes on PVC. The coating compositions according to the invention contain a mixture of two aqueous polyurethane dispersions which have particular chemico-physical properties.