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:
Aug. 14, 1990
Filed:
May. 23, 1989
Applicant:
Inventors:
Walther Cohnen, Cologne, DE;
Alexander Riebel, Leverkusen, DE;
Karl W Schranz, Odenthal-Hahnenberg, DE;
Assignee:
Miles Inc., Elkhart, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427302 ; 427322 ; 4274121 ; 428339 ;
Abstract
The present invention relates to a process for troublefree, i.e. flaw-free and uniform, coating of a support which can accept a large amount of electrostatic charge, such as, for example, polycarbonate foils, with a solution of fully reacted polyurethane in organic solvents, more precisely after prior coating of the polycarbonate foil with an organic solution of the sodium salt of polystyrenesulphonic acid.