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:
Sep. 08, 1981
Filed:
Dec. 01, 1980
Applicant:
Inventor:
Hermann Springmann, Haltern, DE;
Assignee:
Chemische Werke Huls AG, Marl, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract
A process for separating sulfonic acids from the reaction product obtained by reacting paraffins with sulfuric acids, oxygen and water in the presence of ultra-violet light where an alcohol is used as an extractant. The reaction product is treated with an aromatic alcohol as the extractant where the general formula of the alcohol is: ##STR1## wherein: R.sup.1 is a phenyl group possibly substituted by halogen atoms and/or alkyl groups with 1 to 6 C atoms;