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:
Dec. 29, 2020
Filed:
Sep. 18, 2018
Chevron Oronite Company Llc, San Ramon, CA (US);
The University of Southern Mississippi, Hattiesburg, MS (US);
Robson F. Storey, Hattiesburg, MS (US);
Travis P. Holbrook, Hattiesburg, MS (US);
C. Garrett Campbell, Albuquerque, NM (US);
Georgeta Masson, Lafayette, CA (US);
Chevron Oronite Company LLC, San Ramon, CA (US);
The University of Southern Mississippi, Hattiesburg, MS (US);
Abstract
Provided herein are polyolefin dispersants, as well as methods for producing polyolefin dispersants. The polyolefin dispersants can be defined by the formula below where Ris cationic initiator residue; Ris a polyolefin group; Rand Rare each, independently in each —(CRR) unit, H, alkyl, alkoxy, or alkylaryl; Rand Rare each, independently, H, alkyl, or alkoxy; m is an integer from 1 to 20; n is an integer from 1 to 6; r is an integer from 1 to 4; Y is a polyvalent amine linker comprising one or more tertiary amines, wherein the polyvalent amine linker does not include a primary amine or a secondary amine; and A is absent, or comprises a dispersive moiety.