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:
Oct. 22, 2002
Filed:
Jan. 29, 2001
Applicant:
Inventors:
John D. Basil, Pittsburgh, PA (US);
Chia-Cheng Lin, Allison Park, PA (US);
Robert M. Hunia, Kittanning, PA (US);
Helmut Franz, Indiana Township, PA (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 7/708 ; C08L 8/310 ;
U.S. Cl.
CPC ...
C08G 7/708 ; C08L 8/310 ;
Abstract
Siloxane organic hybrid polymers and a method of making them by condensation polymerization reaction of organoalkoxysilane in the presence of organic film-forming polymers are disclosed. Alkali metal carboxylic acid catalyst is also disclosed, as well as the incorporation of cerium oxide for attenuation of ultraviolet radiation.