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:
Feb. 27, 1979
Filed:
Nov. 17, 1977
Applicant:
Inventors:
Thad O Walker, Humble, TX (US);
Kenneth W Warren, Tulsa, OK (US);
Assignee:
Texaco Inc., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252 / ; 252 493 ;
Abstract
Aqueous drilling fluids containing polyethoxylated sulfurized fatty alcohols. Such fluids are especially useful where reduced torque drilling fluids are needed. Another embodiment of this invention relates to a method of drilling utilizing the above-described fluids.
Quick Actions:
Walker, Thad. (1979). Drilling fluids containing polyethoxylated, sulfurized fatty alcohols (U.S. Patent No. 4141840). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4141840
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile