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:
Oct. 29, 1985
Filed:
May. 14, 1984
Applicant:
Inventor:
Paul J McElligott, Jr, Abington, PA (US);
Assignee:
Pennwalt Corporation, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract
Crude, liquid organosulfonyl chloride is purified by first scrubbing the crude liquid with an aqueous hydrochloric acid solution, separating the scrubbing solution and then subjecting the scrubbed organosulfonyl chloride to vacuum stripping while sweeping the material being stripped with an inert gas.