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:
Jun. 08, 1999
Filed:
Apr. 12, 1996
Matthew J Grossman, Flemington, NJ (US);
Michael Siskin, Randolph, NJ (US);
David T Ferrughelli, Flemington, NJ (US);
M Kathryn Lee, Plainfield, NJ (US);
James D Senius, Seabrook, TX (US);
Exxon Research and Engineering Company, Florham Park, NJ (US);
Abstract
A process to remove organic sulfur from organic compounds and organic carbonaceous fuel substrates containing sulfur compounds having sulfur-carbon bonds is disclosed. The steps of the process include oxidizing the sulfur species to the sulfone and/or sulfoxide form, and reacting the sulfone and/or sulfoxide form in an aqueous media of the reacting step including a hydride transfer reducing agent. In a particular embodiment, the reducing agent is sodium formate, the oxidizing agent is a microorganism as exemplified by Rhodococcus species ATCC 55309 or Rhodococcus species ATCC 55310 or combinations thereof.