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:
Jul. 01, 1980
Filed:
Nov. 01, 1978
Applicant:
Inventors:
Siegfried H Schroeter, Schenectady, NY (US);
Daniel R Olson, Clifton Park, NY (US);
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428331 ; 351166 ; 427160 ; 427167 ; 427387 ; 428387 ; 428404 ; 428412 ; 428447 ; 428451 ; 428520 ; 428522 ; 428911 ; 428918 ;
Abstract
A shaped non-opaque coated polycarbonate article having improved abrasion and chemical solvent resistance comprising a polycarbonate substrate having disposed on the surface thereon a non-opaque primer layer comprised of a thermoplastic acrylic polymer containing functional groups and disposed on said primer layer a non-opaque top coat comprised of a colloidal silica filled thermoset organopolysiloxane.