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:
Feb. 27, 2024
Filed:
Oct. 07, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Kyung Seog Youk, Daejeon, KR;
Heung Kwon Bae, Daejeon, KR;
Jung Rae Lee, Daejeon, KR;
Hyun Min Lee, Daejeon, KR;
Joong Chul Lim, Daejeon, KR;
Min Jeong Kang, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/38 (2006.01); C08F 2/22 (2006.01);
U.S. Cl.
CPC ...
C08F 4/38 (2013.01); C08F 2/22 (2013.01);
Abstract
The present disclosure provides a composition for preparing a vinyl chloride-based polymer, including a vinyl chloride-based first seed; a vinyl chloride-based second seed; an initiator composition including a water-soluble initiator and an oil-soluble initiator; a reducing agent; and a vinyl chloride-based monomer, wherein a metal catalyst is not included in the composition, and a method for preparing a vinyl chloride-based polymer using the same.