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. 15, 2014
Filed:
Dec. 07, 2011
Applicants:
Meng He, Murrysville, PA (US);
Darrin R. Dabideen, Pittsburgh, PA (US);
Ruisong Xu, Murrysville, PA (US);
Anil Kumar, Murrysville, PA (US);
Inventors:
Meng He, Murrysville, PA (US);
Darrin R. Dabideen, Pittsburgh, PA (US);
Ruisong Xu, Murrysville, PA (US);
Anil Kumar, Murrysville, PA (US);
Assignee:
Transitions Optical, Inc., Pinellas Park, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/02 (2006.01); C07D 307/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to lactone compounds represented by the following Formulas I and II, and methods of making such lactone compounds. The present invention also relates to methods of making other materials from such lactone compounds, such as fused ring indenol compounds (e.g., indeno-fused naphthols), and fused ring indenopyran compounds (e.g., indeno-fused naphthopyrans).