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:
Jul. 17, 2018
Filed:
Dec. 10, 2014
Applicants:
Benjamin Fonfe, Frankfurt, DE;
Harald Jakob, Hasselroth, DE;
Chuanhua He, Jiangsu, CN;
Andreas Doerflein, Grosskrotzenburg, DE;
Sebastian Fuss, Flieden, DE;
Inventors:
Benjamin Fonfe, Frankfurt, DE;
Harald Jakob, Hasselroth, DE;
Chuanhua He, Jiangsu, CN;
Andreas Doerflein, Grosskrotzenburg, DE;
Sebastian Fuss, Flieden, DE;
Assignee:
EVONIK DEGUSSA GmbH, Essen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 309/00 (2006.01); C07C 303/16 (2006.01);
U.S. Cl.
CPC ...
C07C 303/16 (2013.01); C07C 303/16 (2013.01); C07C 309/04 (2013.01);
Abstract
The present invention relates to a process for preparing alkanesulfonic acids from dialkyl disulfides with nitric acid and oxygen.