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:
Feb. 14, 2017
Filed:
Dec. 10, 2013
Applicant:
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Inventors:
Nina Vassileva Bojkova, Monroeville, PA (US);
Marvin Jerome Graham, Monroeville, PA (US);
Matthew John Kryger, Pittsburgh, PA (US);
Federico Menta, Pittsburgh, PA (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01); C08G 18/10 (2006.01); C08G 18/32 (2006.01); C08G 18/38 (2006.01); C08L 75/02 (2006.01); C08L 75/04 (2006.01); C08L 81/00 (2006.01);
U.S. Cl.
CPC ...
G02B 1/04 (2013.01); C08G 18/10 (2013.01); C08G 18/3203 (2013.01); C08G 18/3271 (2013.01); C08G 18/3876 (2013.01); C08L 75/02 (2013.01); C08L 75/04 (2013.01); C08L 81/00 (2013.01); G02B 1/041 (2013.01);
Abstract
A composition for the preparation of a transparent, non-elastomeric optical article is provided, the composition including: Multi-step and one-pot methods of preparing a cured, non-elastomeric polyurethane-containing optical article are also provided.