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:
Aug. 22, 1989
Filed:
Jan. 27, 1988
Applicant:
Inventors:
Jean Ollivier, Arudy, FR;
Christian H Lagaude, Pau, FR;
Hubert Baptiste, Lescar, FR;
Michele Larrouy, Pau, FR;
Assignee:
Societe Nationale Elf Aquitaine (Production), Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562119 ;
Abstract
A process for the production of an alkanesulphonic acid by hydrolyzing in the heated state an alkanesulphonyl chloride. The process is preferably continuous. The hydrolysis reaction is initiated by the instantaneous use of energy released by the state change of one of the reagents internal to the system.