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:
Apr. 29, 2025
Filed:
Oct. 18, 2021
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
In Soo Kim, Daejeon, KR;
Hyung Sub Lee, Daejeon, KR;
Dae Woo Lee, Daejeon, KR;
Min Cheol Ju, Daejeon, KR;
Min Seung Shin, Daejeon, KR;
Sung Won Hong, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/18 (2005.12); C08F 212/08 (2005.12); C08F 212/10 (2005.12); C08F 220/44 (2005.12); C08F 222/40 (2005.12); C08F 220/40 (2005.12);
U.S. Cl.
CPC ...
C08F 2/18 (2012.12); C08F 212/08 (2012.12); C08F 220/44 (2012.12); C08F 222/402 (2020.01); C08F 212/10 (2012.12); C08F 220/40 (2012.12); C08F 2800/20 (2012.12);
Abstract
Provided is a polymer production method including: batch-adding a reaction solution including a monomer mixture including a maleimide-based monomer, a vinyl aromatic monomer, and a vinyl cyanide-based monomer and an aqueous solvent to a reactor and initiating polymerization; and carrying out the polymerization while continuously adding the maleimide-based monomer and the aqueous solvent to the reactor, wherein the reaction solution satisfies the above Formula 1.