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:
Mar. 16, 2021
Filed:
Oct. 04, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Dawon Jung, Daejeon, KR;
Sungshik Eom, Daejeon, KR;
Tae Yun Kim, Daejeon, KR;
Dong Hyun Ko, Daejeon, KR;
Mi Young Kim, Daejeon, KR;
Min Ji Choi, Daejeon, KR;
Taewoo Kim, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/141 (2006.01); C07C 45/64 (2006.01);
U.S. Cl.
CPC ...
C07C 29/141 (2013.01); C07C 45/64 (2013.01);
Abstract
A method for preparing trimethylolpropane, the method including: subjecting dimethylolbutanal (DMB) to a hydrogenation reaction in the presence of a metal catalyst and an alcohol solvent. During the hydrogenation reaction, a weight ratio of the alcohol solvent based to dimethylolbutanal is 2 to 10.