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. 27, 2026
Filed:
Mar. 17, 2022
Applicant:
Toppan Inc., Tokyo, JP;
Inventors:
Reiko Iwata, Taito-ku, JP;
Yuri Hirai, Taito-ku, JP;
Hanae Tagami, Taito-ku, JP;
Takenori Goda, Taito-ku, JP;
Hiroyuki Chinone, Taito-ku, JP;
Assignee:
TOPPAN Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/22 (2006.01); C08F 20/18 (2006.01); C08K 5/529 (2006.01); C09B 23/00 (2006.01); C09B 67/20 (2006.01); G02B 1/04 (2006.01); G02B 5/20 (2006.01);
U.S. Cl.
CPC ...
C09B 67/0063 (2013.01); C08F 20/18 (2013.01); C08K 5/529 (2013.01); C09B 23/00 (2013.01); G02B 1/04 (2013.01); G02B 5/208 (2013.01);
Abstract
An infrared cut-off filter including a cyanine dye including a tris(pentafluoroethyl) trifluorophosphate anion and a cation having a polymethine and a nitrogen-containing heterocycle located at each end of the polymethine, and an acrylic polymer having a unit structure of formula (1).