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. 29, 2026
Filed:
Jun. 28, 2022
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jae Hyun Park, Daejeon, KR;
Joong Chul Lim, Daejeon, KR;
Keun Hoon Yoo, Daejeon, KR;
Hyun Min Lee, Daejeon, KR;
Gyu Sun Kim, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 14/06 (2006.01);
U.S. Cl.
CPC ...
C08F 14/06 (2013.01);
Abstract
The present invention relates to a method for preparing a vinyl chloride-based polymer showing improved melting rate and mechanical properties and low harmfulness, by pre-mixing and injecting a mixed dispersant comprising polyvinyl alcohol of high hydration and a metal carbonate before performing polymerization, and then, polymerizing a vinyl chloride-based monomer, and a vinyl chloride-based polymer prepared through the method.