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. 19, 1991
Filed:
Oct. 23, 1989
Applicant:
Inventor:
Ghazi B Dickakian, Houston, TX (US);
Assignee:
Exxon Chemical Patents, Inc., Linden, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
436-2 ; 73 6 / ; 73 612 ; 73 64 ; 436 60 ; 436161 ; 436181 ; 436183 ;
Abstract
A process for preparing a baseoil blend of predetermined coking tendency, and for measuring the effectiveness of additives for reducing coking tendency in baseoils, utilizing the relationship of the content of volatile fractions and low boiling fractions in baseoil to the onset and/or progression of asphaltene formation.