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:
Oct. 29, 2024
Filed:
Aug. 27, 2019
Applicant:
Nippon Sheet Glass Company, Limited, Tokyo, JP;
Inventors:
Yuichiro Kubo, Tokyo, JP;
Lei Cai, Kanagawa, JP;
Hitomi Masuda, Tokyo, JP;
Katsuhide Shimmo, Kanagawa, JP;
Assignee:
NIPPON SHEET GLASS COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/22 (2006.01); C08G 77/08 (2006.01); C08G 77/18 (2006.01); C08K 5/5357 (2006.01); C09D 5/32 (2006.01); C09D 183/06 (2006.01);
U.S. Cl.
CPC ...
C09D 5/32 (2013.01); C08G 77/08 (2013.01); C08G 77/18 (2013.01); C08K 5/5357 (2013.01); C09D 183/06 (2013.01); G02B 5/22 (2013.01);
Abstract
The liquid composition for optical filters according to the present invention contains: a light absorber; at least one of an alkoxysilane and a hydrolysate of an alkoxysilane; a phosphoric acid ester; and a solvent. The light absorber is formed by a phosphonic acid having an aryl group bonded to a phosphorus atom and copper ion. In the liquid composition, a content of an organic solvent having a relative permittivity of 7 or less at 20° ° C. is 50 mass % or less.