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:
Jul. 09, 1991
Filed:
Mar. 14, 1989
Applicant:
Inventors:
Robert Voirin, Orthez, FR;
Andre Pepy, Lescar, FR;
Assignee:
Societe Nationale Elf Aquitaine (Production), Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; B01J / ;
U.S. Cl.
CPC ...
4235 / ; 423265 ; 423564 ; 502167 ;
Abstract
The invention is a catalytic process for removing H.sub.2 S and hydrogen polysulfides from liquid sulfur. The process comprises mixing a heterocyclic compound with the liquid sulfur and removing the hydrogen sulfide from the liquid sulfur by contact with a gas which is inert to the liquid sulfur at the treating temperature.
Voirin, Robert. (1991). Catalytic removal of hydrogen sulfides from liquid sulfur (U.S. Patent No. 5030438). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5030438
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile