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:
May. 25, 1999
Filed:
May. 19, 1998
Applicant:
Inventor:
James E Shaw, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Co., Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568 21 ; 568 25 ;
Abstract
A process for producing an organic trisulfide compound comprises contacting, in the presence of a catalyst, a mercaptan with an organic polysulfide compound to produce a product mixture and optionally contacting the product mixture with an acid wherein the catalyst comprises a base and surfactant and the organic polysulfide contains about 4 or more sulfur atoms per molecule.