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:
Feb. 16, 1993
Filed:
Mar. 28, 1991
Applicant:
Inventors:
Glenn T Carroll, Jeffersonville, PA (US);
Michael J Lindstrom, Downingtown, PA (US);
Assignee:
Elf Atochem North America, Inc., Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
252-8552 ; 252364 ;
Abstract
A process is disclosed for preparing a composition having improved solvent power for sulfur wherein a composition comprising a sulfide having the general formula RSSaSR' wherein R and R' are defined carbon-containing radicals and a is 0 to 3, and a catalyst for improving the ability of said composition to take up sulfur is treated, either before, during or after the addition of said catalyst to said composition, with a primary or secondary amine in an effective amount and for an effective time period.