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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.:

US 10501477 B1

PDFFull Text
Date of Patent:
Dec. 10, 2019

Filed:

Mar. 10, 2015

Photochromic thienochromene compounds

Applicant:

Transitions Optical, Inc., Pinellas Park, FL (US);

Inventors:

Jun Deng, Mars, PA (US);

Brian R. Stepp, Pittsburgh, PA (US);

Eric Spitler, Pittsburgh, PA (US);

Wenjing Xiao, Murrysville, PA (US);

Massimiliano Tomasulo, Monroeville, PA (US);

Robert W. Walters, Export, PA (US);

Assignee:

Transitions Optical, Inc., Pinellas Park, FL (US);

Attorney:

The Webb Law Firm

Primary Examiner:

Bijan Ahvazi

Int. Cl.
CPC ...
G02B 5/23 (2006.01); C07D 491/10 (2006.01); G02F 1/00 (2006.01); C07D 495/14 (2006.01); C07D 493/14 (2006.01); C09K 9/02 (2006.01); G03C 1/73 (2006.01);
U.S. Cl.
CPC ...
C07D 495/14 (2013.01); C07D 493/14 (2013.01); C09K 9/02 (2013.01); G02B 5/23 (2013.01); G03C 1/73 (2013.01);
Abstract

The present invention relates to photochromic compounds, such as thienochromene compounds represented by the following Formulas (1a) and/or (1b). The present invention also relates to photochromic compositions and articles containing one or more such photochromic thienochromene compounds.

Find Patent Forward Citations

Deng, Jun. (2019). Photochromic thienochromene compounds (U.S. Patent No. 10501477). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10501477

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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