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. 15, 2018
Filed:
Nov. 23, 2012
Applicant:
Solvay SA, Brussels, BE;
Inventor:
Martin Bomkamp, Hannover, DE;
Assignee:
SOLVAY S.A., Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 68/02 (2006.01); C07C 69/96 (2006.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01); H01M 10/0569 (2010.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
C07C 68/02 (2013.01); C07C 69/96 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 10/0569 (2013.01); H01M 10/052 (2013.01); H01M 2300/0025 (2013.01); H01M 2300/0037 (2013.01);
Abstract
Fluoroalkyl alkyl carbonates which are suitable as additives or solvents in lithium ion batteries are prepared from fluoroalkyl fluoroformiates and an aldehyde, preferably formaldehyde and acetaldehyde. 1,1'-difluoromethyl carbonate and 1,1′-di-fluorodiethylcarbonate are the preferred compounds prepared by the process of the present invention.