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:
Apr. 02, 1996
Filed:
Jul. 11, 1994
Applicant:
Inventors:
Harold L Becker, Tomball, TX (US);
Bernhard W Wolf, Houston, TX (US);
Assignee:
Petrolite Corporation, St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
507243 ; 507236 ; 507237 ; 134 40 ; 166304 ; 166311 ;
Abstract
An asphaltene removal composition comprising an alkyleneamine-fatty acid condensation reaction product and one or more polar aprotic high dielectric constant solvents is useful for removing and inhibiting asphaltene deposits from wells, pipelines and associated equipment.