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:
Apr. 12, 2016
Filed:
Feb. 19, 2014
Transitions Optical, Inc., Pinellas Park, FL (US);
Meng He, Murrysville, PA (US);
Anil Kumar, Murrysville, PA (US);
Darrin R. Dabideen, Monroeville, PA (US);
Transitions Optical, Inc., Pinellas Park, FL (US);
Abstract
The present invention relates to compounds represented by the following Formula (II), Ring-A of Formula II can be, for example, an aryl group, and Q' and Q′″ can each be independently selected from groups, such as, halogen, —OH, —CN, amine groups, amide groups, carboxylic acid ester groups, carboxylic acid groups, alkenyl groups, alkynyl groups, carbonate groups, sulfide groups, and sulfonic acid ester groups. The present invention also relates to photochromic compositions and photochromic articles that include one or more photochromic compounds such as represented by Formula II.