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:
Jan. 05, 1999
Filed:
Sep. 26, 1994
Applicant:
Inventors:
John Robert Powers, Port Neches, TX (US);
Gerald Foley Prescott, Bridge City, TX (US);
James Roger Whiteman, Beaumont, TX (US);
Assignee:
Star Enterprise, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208143 ; 208 27 ; 208 28 ; 208108 ; 208111 ; 208110 ; 208138 ; 208142 ; 208144 ;
Abstract
A process for saturating aromatics in a lube range hydrocarbon is disclosed. The process can be used to raise the viscosity index of the lube range products. The process is carried out over a noble metal catalyst under mild process conditions. The catalyst is resistant to sulfur and nitrogen compounds.