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. 07, 1993
Filed:
May. 02, 1988
Applicant:
Inventors:
Jeffrey H Yen, Woolwich, NJ (US);
Glenn T Carroll, Jeffersonville, PA (US);
Vijay R Srinivas, Uwchlan, PA (US);
William J Tuszynski, Milford Township, Bucks County, PA (US);
John A Wismer, Devon, PA (US);
Assignee:
Elf Atochem North America, Inc., Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; E21B / ;
U.S. Cl.
CPC ...
423562 ; 166312 ; 208237 ; 208238 ; 252-8552 ;
Abstract
A process for removing sulfur from an organic polysulfide by reaction with an aqueous stripping solution of at least one sulfide salt and/or hydrosulfide salt in a multi-stage, continuous, countercurrent flow, reaction system wherein the sulfur is stripped from the polysulfide into the aqueous stripping solution phase which is separated from the polysulfide organic phase.