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:
Oct. 20, 1992
Filed:
Jan. 02, 1991
Applicant:
Inventors:
Quang N Le, Cherry Hill, NJ (US);
Stephen S Wong, Medford, NJ (US);
Assignee:
Mobil Oil Corp., Fairfax, VA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C10G / ; C10G / ;
U.S. Cl.
CPC ...
585481 ; 585482 ; 208134 ; 208137 ; 208138 ; 208141 ;
Abstract
There is provided a method for reducing the pour point of an alkyl aromatic lube base stock by hydroisomerizing alkyl side groups on alkyl aromatic compounds. The alkyl aromatic, compounds may be alkylated naphthalenes. The hydroisomerization reaction may take place over a catalyst comprising zeolite beta and platinum.