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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.:

US 12570779 B1

PDFFull Text
Date of Patent:
Mar. 10, 2026

Filed:

Jun. 08, 2023

Dispersion stabilizer based on at least two types of polyols and method of preparing the same

Applicant:

Korea Kumho Petrochemical Co., Ltd., Seoul, KR;

Inventors:

Jinwoo Park, Seoul, KR;

Gi Jung Kim, Seoul, KR;

Seulgi Kim, Seoul, KR;

Jae Yeong Song, Seoul, KR;

Assignee:

KOREA KUMHO PETROCHEMICAL CO., LTD., Seoul, KR;

Attorney:

Studebaker Brackett PLLC

Primary Examiner:

Ha S Nguyen

Int. Cl.
CPC ...
C08F 212/10 (2006.01); C08G 18/62 (2006.01); C08G 18/63 (2006.01); C08G 18/76 (2006.01); C08J 9/12 (2006.01);
U.S. Cl.
CPC ...
C08F 212/10 (2013.01); C08G 18/6262 (2013.01); C08G 18/7671 (2013.01); C08J 9/125 (2013.01); C08F 2800/20 (2013.01); C08G 2110/0008 (2021.01); C08G 2110/0058 (2021.01); C08G 2110/0083 (2021.01); C08J 2203/10 (2013.01); C08J 2205/06 (2013.01); C08J 2375/04 (2013.01);
Abstract

Provided are a polymer polyol dispersion stabilizer, which is prepared by reacting a first polyol having a hydroxyl value (OHV) of 5 to 50 mgKOH/g and an ethylene oxide content of less than 20 wt %, a second polyol having an OHV of 50 to 100 mgKOH/g and an ethylene oxide content of 20 wt % or more, and a reactive unsaturated compound having one or more carbon-carbon double bonds and two or more carbon-oxygen double bonds, and a method of preparing the same.

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Park, Jinwoo. (2026). Dispersion stabilizer based on at least two types of polyols and method of preparing the same (U.S. Patent No. 12570779). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12570779

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