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. 20, 1983
Filed:
Jan. 05, 1981
Akira Fujioka, Osaka, JP;
Kazuo Sakiyama, Ibaraki, JP;
Akio Takigawa, Nishinomiya, JP;
Motoaki Yoshida, Nishinomiya, JP;
Nippon Sheet Glass Co. Ltd., Osaka, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A coated shaped article of a polycarbonate type resin of improved abrasion resistance, which comprises: (I) a shaped substrate of a polycarbonate type resin, (II) an undercoat layer applied to and cured on said substrate, an (III) an overcoat layer applied to and cured on the undercoat layer, which overcoat is formed of a composition containing: (A) at least one hydrolyzate selected from the group of epoxy group-containing silicon compounds, (B) at least one member selected from the group consisting of hydrolyzates of organic silicon compounds colloidal silica and organic titanium compounds, and (C) a curing catalyst.