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:
Nov. 05, 2024
Filed:
Apr. 17, 2020
Applicants:
Mitsui Chemicals, Inc., Tokyo, JP;
Itoh Optical Industrial Co., Ltd., Gamagori, JP;
Inventors:
Yusuke Matsui, Omuta, JP;
Kouji Suesugi, Arao, JP;
Shinsuke Ito, Omuta, JP;
Hirofumi Oda, Gamagori, JP;
Assignees:
MITSUI CHEMICALS, INC., Tokyo, JP;
ITOH OPTICAL INDUSTRIAL CO., LTD., Gamagori, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/10 (2006.01); C08G 18/38 (2006.01); C08G 18/75 (2006.01); C08K 5/00 (2006.01); G02B 5/22 (2006.01);
U.S. Cl.
CPC ...
G02C 7/104 (2013.01); C08G 18/3876 (2013.01); C08G 18/758 (2013.01); C08K 5/0041 (2013.01); C08K 5/0091 (2013.01); G02B 5/22 (2013.01);
Abstract
In an optical material, a transmittance curve satisfies the following characteristics (1) and (2) and a hue in the CIE 1976 (L*, a*, b*) color space satisfies the following characteristic (3),