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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 9139552 B1

PDFFull Text
Date of Patent:
Sep. 22, 2015

Filed:

Dec. 15, 2011

Indeno-fused naphthopyrans having ethylenically unsaturated groups

Applicants:

Wenjing Xiao, Murrysville, PA (US);

Barry Van Gemert, Delmont, PA (US);

Inventors:

Wenjing Xiao, Murrysville, PA (US);

Barry Van Gemert, Delmont, 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 311/92 (2006.01); C07D 311/78 (2006.01); C07D 405/04 (2006.01); C07D 407/12 (2006.01); C07D 409/04 (2006.01); C07D 493/04 (2006.01); C07D 495/04 (2006.01); C09K 9/02 (2006.01); G03C 1/73 (2006.01); G02C 7/02 (2006.01); G02F 1/03 (2006.01); G02F 1/07 (2006.01); G03C 1/685 (2006.01);
U.S. Cl.
CPC ...
C07D 311/92 (2013.01); C07D 311/78 (2013.01); C07D 405/04 (2013.01); C07D 407/12 (2013.01); C07D 409/04 (2013.01); C07D 493/04 (2013.01); C07D 495/04 (2013.01); C09K 9/02 (2013.01); G03C 1/73 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1022 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1088 (2013.01); G02B 5/23 (2013.01); G03C 1/685 (2013.01);
Abstract

The present invention relates to indeno-fused naphthopyrans, and in particular indeno[2',3′:3,4]naphtho[1,2-b]pyrans having certain groups bonded to the 3, 6, 7, 11, and 13 positions thereof. The indeno-fused naphthopyrans of the present invention have an ethylenically unsaturated group selected from (C-Calkyl)acrylate and (C-Calkyl)acrylamide, that is linked to the 11 position or 13 position thereof. The present invention also relates to photochromic articles and photochromic compositions containing such indeno-fused naphthopyrans.

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Quick Actions:

Xiao, Wenjing. (2015). Indeno-fused naphthopyrans having ethylenically unsaturated groups (U.S. Patent No. 9139552). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9139552

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