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:
Nov. 26, 2002
Filed:
Dec. 13, 2000
Applicant:
Inventors:
William Wismann, Camarillo, CA (US);
Santosh K. Gangwal, Cary, NC (US);
Assignee:
DS2 Tech, Inc., Savanna, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G 2/500 ; C10G 2/512 ;
U.S. Cl.
CPC ...
C10G 2/500 ; C10G 2/512 ;
Abstract
The demercaptanizaiton of petroleum distillates can be carried out by sorption of the mercaptan with activated carbon and oxidation of the sorbed mercaptan to disulfide at between approximately 20° C. to 55° C. The activated carbon used in the process is commercially readily available. Its surface area typically ranges from between approximately 500 to 1500 m /g and has substantial percentage of the pores in the 10 to 100 Angstrom range.