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:
Jun. 27, 1978
Filed:
May. 13, 1977
Applicant:
Inventors:
Hans Merkle, Ludwigshafen, DT;
Albrecht Mueller, Frankenthal, DT;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605136 ; 2605 / ; 2605 / ;
Abstract
Amidosulfonic acids are manufactured by reacting Schiff bases first with sulfur trioxide and then with water. The compounds obtainable by the process of the invention are sweeteners (especially in the case of cyclohexylamidosulfonic acid and its calcium, sodium and potassium salts), and valuable starting materials for the manufacture of sweeteners, dyes and pesticides.