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:
Mar. 15, 2011
Filed:
Feb. 15, 2006
Applicants:
Alberto DE Angelis, Legnano, IT;
Paolo Pollesel, San Donato Milanese, IT;
Inventors:
Alberto De Angelis, Legnano, IT;
Paolo Pollesel, San Donato Milanese, IT;
Assignee:
ENI S.p.A., Rome, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 321/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The mercaptans R—SH contained in a hydrocarbon stream are oxidized to the corresponding (di)sulfides by means of a redox system which comprises trivalent iron and a heteropolyacid which allows the complete reoxidation of the reduced iron also with air.