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. 24, 2024
Filed:
Jun. 02, 2020
Applicant:
Hanwha Solutions Corporation, Seoul, KR;
Inventors:
Sangho Seo, Daejeon, KR;
Keedo Han, Daejeon, KR;
Pilje Seong, Daejeon, KR;
Dong Il Shin, Daejeon, KR;
Bong Sik Jeon, Daejeon, KR;
Assignee:
HANWHA SOLUTIONS CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/04 (2006.01); B01J 21/08 (2006.01); B01J 23/755 (2006.01); B01J 35/30 (2024.01); B01J 35/40 (2024.01); C09J 145/00 (2006.01);
U.S. Cl.
CPC ...
C08F 8/04 (2013.01); B01J 21/08 (2013.01); B01J 23/755 (2013.01); B01J 35/393 (2024.01); B01J 35/40 (2024.01); C09J 145/00 (2013.01);
Abstract
The invention relates to a method for preparing hydrogenated petroleum resin. More specifically, the invention relates to a method for preparing hydrogenated petroleum resin having aromaticity of 10% or more and exhibiting excellent color and thermal stability, through a hydrogenation reaction in a slurry reactor, using a selective hydrogenation catalyst having excellent selectivity to olefinic double bonds in petroleum resin.