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:
Jun. 17, 2025
Filed:
Nov. 25, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Min Seung Shin, Daejeon, KR;
Min Cheol Ju, Daejeon, KR;
Sung Won Hong, Daejeon, KR;
In Soo Kim, Daejeon, KR;
Hyung Sub Lee, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 222/40 (2006.01); C08F 2/18 (2006.01); C08F 212/08 (2006.01); C08F 220/44 (2006.01);
U.S. Cl.
CPC ...
C08F 222/402 (2020.02); C08F 2/18 (2013.01); C08F 212/08 (2013.01); C08F 220/44 (2013.01);
Abstract
Provided is a method of preparing a maleimide-based copolymer, which comprises adding a monomer mixture including an aromatic vinyl-based monomer and a maleimide-based monomer to an aqueous solution consisting of an aqueous solvent and a first vinyl cyanide-based monomer and performing polymerization.