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:
Jul. 08, 2025
Filed:
Jun. 08, 2021
Applicant:
Denka Company Limited, Tokyo, JP;
Inventors:
Masanori Matsumoto, Tokyo, JP;
Kohei Nishino, Tokyo, JP;
Assignee:
Denka Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 212/08 (2006.01); C08L 9/06 (2006.01); B29C 65/18 (2006.01); B29K 25/00 (2006.01); B29K 35/00 (2006.01); B29K 79/00 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
C08F 212/08 (2013.01); C08L 9/06 (2013.01); B29C 65/18 (2013.01); B29K 2025/00 (2013.01); B29K 2035/00 (2013.01); B29K 2079/08 (2013.01); B29K 2105/0002 (2013.01); B29K 2105/0085 (2013.01); C08L 2205/06 (2013.01);
Abstract
A maleimide-based copolymer containing: 40% to 65% by mass of an aromatic vinyl-based monomer unit; and 35% to 60% by mass of a maleimide-based monomer unit, in which a residual amount of an aromatic vinyl-based monomer is 200 to 2000 ppm by mass, and a residual amount of a maleimide-based monomer is 30 to 400 ppm by mass.