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:
May. 12, 2026
Filed:
Nov. 04, 2021
Applicant:
Lotte Chemical Corporation, Seoul, KR;
Inventors:
Jong Myung Choi, Daejeon, KR;
Mi Hwa Baek, Daejeon, KR;
Wang Gyu Kim, Daejeon, KR;
Eun Hye Han, Daejeon, KR;
Jin Hyung Kim, Daejeon, KR;
Assignee:
LOTTE CHEMICAL CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 68/06 (2020.01); B01J 31/02 (2006.01); B01J 31/06 (2006.01);
U.S. Cl.
CPC ...
C07C 68/06 (2013.01); B01J 31/0238 (2013.01); B01J 31/068 (2013.01); B01J 2231/49 (2013.01); C07C 2531/06 (2013.01);
Abstract
The present invention is directed to providing a method of preparing a heterogeneous linear carbonate, including: performing a transesterification reaction of dimethyl carbonate (DMC) and ethanol (EtOH) in the presence of a catalyst, wherein the catalyst is an amine-based compound having a boiling point of 150° C. or more.
Choi, Jong. (2026). Method of preparing heterogeneous linear carbonate using amine-based compound catalyst (U.S. Patent No. 12623995). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12623995
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile