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:
Jan. 12, 1982
Filed:
Mar. 03, 1981
Applicant:
Inventors:
Hermann Springmann, Haltern, DE;
Karl Borchers, Borken, DE;
Assignee:
Chemische Werke Huls AG, Marl, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07B / ;
U.S. Cl.
CPC ...
2605 / ; 210708 ;
Abstract
The process for separating sulfuric acid from the sulfoxidation output obtained when paraffins are reacted with sulfuric acid, oxygen and water in the presence of ultraviolet light, using an alcohol containing at least 5 C atoms, is improved by treating the sulfoxidation output with a 0.25 to 2.5 fold amount by weight of a mixture of