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:
Sep. 09, 2014
Filed:
Sep. 30, 2013
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Terunobu Saitoh, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/73 (2006.01); C07C 69/602 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
G02B 1/04 (2013.01); G02B 1/041 (2013.01); C07C 69/73 (2013.01); C07C 69/602 (2013.01);
Abstract
An optical material organic compound having characteristics that the dispersion characteristic (Abbe number (ν)) and the secondary dispersion characteristic (θg,F) of the refractive index are high, the transmittance in the visible light region is high, and the chromatic aberration correction function delivers high performance, which represented by the general formula (1) or (2) is provided.