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:
Dec. 05, 2023
Filed:
Sep. 14, 2022
Applicant:
Korea Kumho Petrochemical Co., Ltd., Seoul, KR;
Inventors:
Kee Yoon Roh, Daejeon, KR;
Jung Hee Jang, Daejeon, KR;
Je Young Park, Daejeon, KR;
Nam Hyun Cho, Daejeon, KR;
Assignee:
KOREA KUMHO PETROCHEMICAL CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/20 (2006.01);
U.S. Cl.
CPC ...
C07C 29/20 (2013.01); C07C 2601/14 (2017.05);
Abstract
An embodiment of the present invention provides a method for preparing hydrogenated bisphenol A, comprising: (a) heating a reactor in which bisphenol A, a solvent, and a ruthenium supported catalyst are added; (b) supplying hydrogen into the reactor to react; and (c) blocking the supply of hydrogen to react.