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:
May. 21, 2024
Filed:
Feb. 04, 2020
Applicants:
Mitsui Chemicals, Inc., Tokyo, JP;
Ahiko Finetec, Ltd., Shinjo, JP;
Inventors:
Assignees:
MITSUI CHEMICALS, INC., Minato-ku, JP;
AHIKO FINETEC, LTD., Shinjo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01); B24B 37/08 (2012.01); G02B 6/26 (2006.01); G02B 27/01 (2006.01);
U.S. Cl.
CPC ...
G02B 1/04 (2013.01); B24B 37/08 (2013.01); G02B 6/262 (2013.01); G02B 2027/0125 (2013.01); G02B 27/0172 (2013.01);
Abstract
The present invention provides an optical member including an organic polymer. This optical member includes a surface A which has an area of 1 mmor more, and in which the flatness of a region having an area of 1 mm, as measured by a non-contact type optical flatness meter, is 80 μm or less.