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:
Sep. 08, 2026
Filed:
Oct. 27, 2020
Lg Chem, Ltd., Seoul, KR;
Min Cheol Ju, Daejeon, KR;
Min Seung Shin, Daejeon, KR;
Sung Won Hong, Daejeon, KR;
In Soo Kim, Daejeon, KR;
Hyung Sub Lee, Daejeon, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
The present invention relates to a method for producing a copolymer, a copolymer produced therefrom, and a thermoplastic resin composition including the same, the method including step (S) for adding aromatic vinyl-based monomers and vinyl cyan-based monomers to perform polymerization in the presence of polymerization initiators, wherein the polymerization initiators includes at least two different kinds of polymerization initiators, and part or all of the aromatic vinyl-based monomers are continuously divisionally added during the polymerization in step (S).