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:
Mar. 22, 2011
Filed:
Jun. 23, 2009
Applicants:
Meng He, Murrysville, PA (US);
Anil Kumar, Murrysville, PA (US);
Jiping Shao, Monroeville, PA (US);
Xiao-man Dai, Export, PA (US);
Ruisong Xu, Monroeville, PA (US);
Inventors:
Meng He, Murrysville, PA (US);
Anil Kumar, Murrysville, PA (US);
Jiping Shao, Monroeville, PA (US);
Xiao-Man Dai, Export, PA (US);
Ruisong Xu, Monroeville, PA (US);
Assignee:
Transitions Optical, Inc., Pinellas Park, FL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/00 (2006.01); C09K 19/06 (2006.01); C09K 19/52 (2006.01); G02F 1/13 (2006.01); C07C 69/76 (2006.01);
U.S. Cl.
CPC ...
Abstract
Liquid crystal compositions comprising compounds including at least one mesogenic substructure and at least one long flexible segment and a compound selected from a photochromic compound, a dichroic compound and a photochromic-dichroic compound and methods of synthesizing the same and their use in articles of manufacture and ophthalmic devices are disclosed.