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:
Dec. 06, 2022
Filed:
May. 28, 2018
Applicant:
Transitions Optical, Ltd., Tuam, IE;
Inventors:
Robert W. Walters, Murrysville, PA (US);
Chien-Yang Chiu, Export, PA (US);
Anu Chopra, Pittsburgh, PA (US);
Darrin R. Dabideen, Pittsburgh, PA (US);
Sujit Mondal, Gibsonia, PA (US);
Nick J. Parise, Pittsburgh, PA (US);
Wenjing Xiao, Murrysville, PA (US);
Assignee:
Transitions Optical, Ltd., Tuam, IE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 311/94 (2006.01); C07D 413/10 (2006.01); G02B 1/04 (2006.01); G02B 5/23 (2006.01); G03C 1/73 (2006.01);
U.S. Cl.
CPC ...
C07D 311/94 (2013.01); C07D 413/10 (2013.01); G02B 1/04 (2013.01); G02B 5/23 (2013.01); G03C 1/73 (2013.01);
Abstract
A photochromic compound including a core skeletal structure represented by the following Formula (I),