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. 21, 1981
Filed:
Feb. 28, 1980
Applicant:
Inventor:
Werner Wellbrock, Bad Soden am Taunus, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract
Process for the preparation of alkaline earth metal salts of alkyl benzene sulfonic acids by the neutralization of alkyl benzenesulfonic acids, which comprises neutralizing the alkyl benzene sulfonic acid with the necessary amount of a basic alkaline earth metal compound in an inert organic solvent and in the presence of 1 to 10% by weight of an oxalkylate, calculated on the weight of the alkyl benzene sulfonic acid.