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. 02, 2021
Filed:
May. 13, 2020
Joey Dacula Mangadlao, Sugar Land, TX (US);
Gordon Rivers, Houston, TX (US);
David W. Jennings, Houston, TX (US);
Jerry Weers, Richmond, TX (US);
Joey Dacula Mangadlao, Sugar Land, TX (US);
Gordon Rivers, Houston, TX (US);
David W. Jennings, Houston, TX (US);
Jerry Weers, Richmond, TX (US);
BAKER HUGHES OILFIELD OPERATIONS LLC, Houston, TX (US);
Abstract
A method of stabilizing asphaltenes in a petroleum hydrocarbon fluid is disclosed. The method includes contacting the petroleum hydrocarbon fluid with a polybenzoxazine comprising repeating structural units of Formula (I): wherein Ris hydrogen, a Calkyl, a Ccycloalkyl, a Caryl, a Calkylarylene, a Carylalkyl, a Cheteroaryl, or a Cheterocycloalkyl; and Ris a Calkyl, a Ccycloalkyl, a Caryl, a Calkylarylene, a Carylalkyl, a Cheteroaryl, or a Cheterocycloalkyl.