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:
Dec. 02, 1997
Filed:
Jun. 16, 1995
Applicant:
Inventors:
John Darwin Basil, Pittsburgh, PA (US);
Chia-Cheng Lin, Allison Park, PA (US);
Robert Michael Hunia, Kittanning, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428412 ; 428447 ; 4289088 ;
Abstract
A silica-free, abrasion resistant and ultraviolet radiation resistant coating is disclosed comprising an organic UV absorbing compound as hydroxybenzophenone in an inorganic oxide matrix formed by the hydrolysis and condensation of an organo alkoxysilane and a silicon other metal alkoxide.