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:
Nov. 23, 2021
Filed:
Jun. 24, 2019
Applicant:
Samhwa Paints Industries Co., Ltd., Seonggok-dong, KR;
Inventor:
Myeng Chan Hong, Pyeongtaek-si, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C07D 327/04 (2006.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01);
U.S. Cl.
CPC ...
C07D 327/04 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01);
Abstract
The present invention relates to a method for preparing 1,3-propanesultone derivative compounds used for pharmaceutical intermediates, organic solvents, and electrolyte additives for lithium ion secondary batteries. According to the preparation method of the present invention, it is possible to prepare a sultone compound having various derivatives in high yield.