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:
Oct. 12, 2021
Filed:
Aug. 11, 2019
Applicant:
Ingevity South Carolina, Llc, North Charleston, SC (US);
Inventors:
Phillip W. Hurd, Conyers, GA (US);
John B. Hines, Atlanta, GA (US);
Roger Scott Johnson, Lilburn, GA (US);
David T. Mpofu, Dunwoody, GA (US);
Nathan P. Rife, Sugar Land, TX (US);
Anne M. Cothran, Conyers, GA (US);
Assignee:
INGEVITY SOUTH CAROLINA, LLC, North Charleston, SC (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/36 (2006.01);
U.S. Cl.
CPC ...
C09K 8/36 (2013.01);
Abstract
Methods for making emulsifiers, emulsified drilling fluids, and methods for using the same are provided. In one or more embodiments, the method for making an emulsifier can include mixing a tall oil and a triamide. The triamide can have the chemical formula: