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:
Apr. 03, 2018
Filed:
Feb. 27, 2014
Applicant:
Mitsui Chemicals, Inc., Minato-ku, Tokyo, JP;
Inventors:
Assignee:
MITSUI CHEMICALS INC., Minato-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C 3/00 (2006.01); G02C 7/10 (2006.01); G02B 5/20 (2006.01); G02C 7/02 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
G02C 7/108 (2013.01); G02B 1/041 (2013.01); G02B 5/208 (2013.01); G02C 7/022 (2013.01); G02B 1/04 (2013.01); G02C 2202/16 (2013.01);
Abstract
The optical material of the present invention contains one or more kinds of ultraviolet absorber (a) having a maximum absorption peak within a range of equal to or greater than 350 nm and equal to or less than 370 nm, in which a light transmittance of the optical material having a thickness of 2 mm satisfies the following characteristics (1) to (3),