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:
Jul. 07, 2015
Filed:
May. 13, 2014
Applicant:
Transitions Optical, Inc., Pinellas Park, FL (US);
Inventors:
Anu Chopra, Pittsburgh, PA (US);
Barry Van Gemert, Delmont, PA (US);
Wenjing Xiao, Murrysville, PA (US);
Huayun Yu, Monroeville, PA (US);
Assignee:
Transitions Optical, Inc., Pinellas Park, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 311/78 (2006.01); C07C 41/30 (2006.01); C07C 51/09 (2006.01); C07C 51/353 (2006.01); C07C 51/373 (2006.01); C07C 51/377 (2006.01); C07C 51/56 (2006.01); C07C 57/34 (2006.01); C07D 263/14 (2006.01); C07D 307/93 (2006.01); C07D 311/94 (2006.01); C07C 37/00 (2006.01); C07C 51/285 (2006.01); C07D 263/10 (2006.01); C07D 307/60 (2006.01);
U.S. Cl.
CPC ...
C07C 41/30 (2013.01); C07C 51/09 (2013.01); C07C 51/353 (2013.01); C07C 51/373 (2013.01); C07C 51/377 (2013.01); C07C 51/56 (2013.01); C07C 57/34 (2013.01); C07D 263/14 (2013.01); C07D 307/93 (2013.01); C07D 311/94 (2013.01); C07C 37/001 (2013.01); C07C 51/285 (2013.01); C07C 2103/40 (2013.01); C07D 263/10 (2013.01); C07D 307/60 (2013.01);
Abstract
The present invention relates to a method of making indeno-fused naphthol materials, that involves, with some embodiments, forming an indanone acid intermediate, represented by the following general Formula V, With Formula V, m is from 0 to 4, and Rfor each m, Rand Rcan each be independently selected from, for example, hydrogen and hydrocarbyl.