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:
Apr. 07, 2015
Filed:
Jul. 08, 2010
Applicants:
Martin Bomkamp, Hannover, DE;
Jens Olschimke, Hannover, DE;
Inventors:
Martin Bomkamp, Hannover, DE;
Jens Olschimke, Hannover, DE;
Assignee:
Solvay Flour GmbH, Hannover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 68/02 (2006.01); C07C 269/04 (2006.01); C07C 69/96 (2006.01);
U.S. Cl.
CPC ...
C07C 269/04 (2013.01); C07C 68/02 (2013.01); C07C 69/96 (2013.01);
Abstract
Fluoroalkyl alkyl carbonates and fluorosubstituted carbamates which are suitable as additives or solvents in lithium ion batteries are prepared from fluoroalkyl fluoroformates and the respective alcohol or amine. Methanol is the preferred alcohol, dimethylamine and diethylamine are preferred amines. Fluoromethyl methyl carbonate is the preferred compound to be produced. Fluoroalkyl fluoroformates can be prepared from aldehydes and carbonyl fluoride.