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. 08, 1997
Filed:
Mar. 06, 1996
Applicant:
Inventor:
Stanley R Sandler, Springfield, PA (US);
Assignee:
Elf Atochem North America, Inc., Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564 98 ; 564 99 ;
Abstract
A process is disclosed for the conversion of an ammonium or amine salt of an alkanesulfonic acid to its corresponding alkanesulfonamide by heating the salt to at least its melting point to remove the water by-product and recover an alkanesulfonamide.