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:
Mar. 20, 2018
Filed:
Nov. 13, 2012
Applicants:
Cesar Ovalles, Walnut Creek, CA (US);
Estrella Rogel, Orinda, CA (US);
Michael Moir, San Rafael, CA (US);
Inventors:
Cesar Ovalles, Walnut Creek, CA (US);
Estrella Rogel, Orinda, CA (US);
Michael Moir, San Rafael, CA (US);
Assignee:
Chevron U.S.A. Inc., San Ramon, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 33/28 (2006.01); C10G 29/02 (2006.01); C09K 8/04 (2006.01); C09K 8/50 (2006.01); C09K 8/57 (2006.01); C09K 8/62 (2006.01);
U.S. Cl.
CPC ...
G01N 33/2835 (2013.01); C09K 8/04 (2013.01); C09K 8/50 (2013.01); C09K 8/57 (2013.01); C09K 8/62 (2013.01); C10G 29/02 (2013.01); G01N 33/2823 (2013.01);
Abstract
Disclosed herein is a method for determining the effectiveness of one or more asphaltene dispersant additives for inhibiting or preventing asphaltene precipitation in a hydrocarbon-containing material subjected to elevated temperature and pressure conditions.