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:
Jun. 06, 2017
Filed:
Dec. 11, 2014
Estrella Rogel, Orinda, CA (US);
Cesar Ovalles, Walnut Creek, CA (US);
Michael Moir, San Ramon, CA (US);
Estrella Rogel, Orinda, CA (US);
Cesar Ovalles, Walnut Creek, CA (US);
Michael Moir, San Ramon, CA (US);
Chevron U.S.A. Inc., San Ramon, CA (US);
Abstract
Disclosed herein is a method involving the steps of method for determining asphaltene stability in a hydrocarbon-containing sample having solvated asphaltenes therein, the method comprising the steps of: (a) precipitating an amount of asphaltenes from a liquid sample of the hydrocarbon-containing sample having solvated asphaltenes therein with one or more first solvents and capturing the precipitated asphaltenes in one or more low volume filters comprising a porous filter element comprising an area through which a fluid may flow; (b) determining one or more solubility characteristics of the precipitated asphaltenes; and (c) analyzing the one or more solubility characteristics of the precipitated asphaltenes.