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. 02, 2024
Filed:
Jun. 27, 2019
Applicant:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Inventors:
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 81/02 (2006.01); C08G 75/08 (2006.01); C08K 3/06 (2006.01); G02B 1/04 (2006.01); C07D 331/02 (2006.01); C07D 409/14 (2006.01);
U.S. Cl.
CPC ...
C07D 409/14 (2013.01); C07D 331/02 (2013.01); C08G 75/08 (2013.01); G02B 1/041 (2013.01);
Abstract
Provided is a composition for optical materials that gives optical materials which can have at least one improved property selected from among satisfactory mold releasability after polymerization and curing, unsusceptibility to separation from the mold during polymerization and curing, transparency, and low-level striae. The present invention further provides a compound represented by formula (1). The composition for optical materials comprises the compound represented by formula (1) and a compound represented by formula (2). (In formula (1), Xand Xrepresent O or S, provided that both Xand Xare O or that Xis O and Xis S.)