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:
Jan. 30, 2007
Filed:
May. 22, 2002
Applicants:
Hironobu Nagoh, Shunan, JP;
Junji Momoda, Shunan, JP;
Inventors:
Hironobu Nagoh, Shunan, JP;
Junji Momoda, Shunan, JP;
Assignee:
Tokuyama Corporation, Yamaguchi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 311/78 (2006.01);
U.S. Cl.
CPC ...
Abstract
A photochromic composition and a coating composition comprising a molecular compound of a chromene compound and an aromatic compound. The photochromic composition provides a photochromic optical material as a cured product and the coating composition is applied to a lens substrate and cured to provide a photochromic optical material. The above molecular compound is also provided.
Nagoh, Hironobu. (2007). Photochromic composition (U.S. Patent No. 7169941). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7169941
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile