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. 22, 2026
Filed:
Oct. 20, 2021
Applicant:
Korea Kumho Petrochemical Co., Ltd., Seoul, KR;
Inventors:
Assignee:
KOREA KUMHO PETROCHEMICAL CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 212/10 (2006.01); C08F 6/10 (2006.01); C08F 8/00 (2006.01);
U.S. Cl.
CPC ...
C08F 212/10 (2013.01); C08F 6/10 (2013.01); C08F 8/00 (2013.01);
Abstract
Disclosed is a method for preparing polymer polyol comprising the steps of: (a) polymerizing polyol and aromatic vinyl monomer in the presence of an organic diluting agent; (b) additionally inputting and polymerizing polyol, aromatic vinyl monomer and unsaturated nitrile monomer in the product of step (a); and (c) removing the organic diluting agent from the product of step (b), wherein the organic diluting agent is compatible with the polymer of the aromatic vinyl monomer.
Quick Actions:
Kim, Gi. (2026). Method for preparing polymer polyol (U.S. Patent No. 12742027). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12742027
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile