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. 25, 2016
Filed:
Dec. 03, 2010
Applicants:
Gobinda Saha, Pittsburgh, PA (US);
Anil Kumar, Murrysville, PA (US);
Inventors:
Gobinda Saha, Pittsburgh, PA (US);
Anil Kumar, Murrysville, PA (US);
Assignee:
Transitions Optical, Inc., Pinellas Park, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/00 (2006.01); C08F 220/30 (2006.01); C08F 220/62 (2006.01); C09K 19/56 (2006.01); G02B 1/04 (2006.01); C08F 220/36 (2006.01);
U.S. Cl.
CPC ...
C08F 220/30 (2013.01); C08F 220/62 (2013.01); C09K 19/56 (2013.01); G02B 1/04 (2013.01); C08F 2220/301 (2013.01); C08F 2220/303 (2013.01); C08F 2220/305 (2013.01); C08F 2220/365 (2013.01); Y10T 428/1005 (2015.01); Y10T 428/1014 (2015.01); Y10T 428/31931 (2015.04);
Abstract
The present disclosure provides for new photoalignment (co)polymer materials which demonstrate improved adhesion to a substrate. The (co)polymeric structure includes at least one photochemically active chromophore and at least one adhesion promoter group. Articles of manufacture, optical elements, ophthalmic elements and liquid crystal cells which include at least one photoalignment layer made from the photoalignment (co)polymer materials and methods for formation are also disclosed.