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:
Sep. 21, 1993
Filed:
May. 02, 1991
Applicant:
Inventors:
Jean-Christophe Rostaing, Versailles, FR;
Francois Coeuret, Guyancourt, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428213 ; 428216 ; 428412 ; 428446 ; 428447 ; 428698 ; 428704 ;
Abstract
Multilayer coating for polycarbonate substrate used as glass substitute essentially consisting of silicon, carbon, nitrogen, oxygen and hydrogen, characterized by a first anti-ultra-violet layer consisting of silicon, oxygen and/or nitrogen, carbon and hydrogen, according to formula: