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:
Feb. 14, 2023
Filed:
Sep. 27, 2021
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Kazuaki Yoshimura, Ehime, JP;
Noriaki Suyasu, Ehime, JP;
Masakazu Sumida, Ehime, JP;
Shoji Inukai, Tokyo, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 220/14 (2006.01);
U.S. Cl.
CPC ...
C08F 220/14 (2013.01);
Abstract
Provided is a molded body having excellent heat resistance. A composition containing methyl methacrylate, methyl isobutyrate and methyl acrylate, in which a content of methyl methacrylate is 99.5% by mass or more, a concentration of methyl isobutyrate is 20 ppm by mass to 300 ppm by mass, and a concentration of methyl acrylate is 5 ppm by mass to 200 ppm by mass.