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:
Mar. 11, 1986
Filed:
Jun. 27, 1984
Applicant:
Inventor:
Robert L Horton, Chagrin Falls, OH (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166270 ; 166273 ; 166274 ; 252 / ;
Abstract
Polyfunctional anionic polymers are useful for inhibiting the adsorption of surfactants and organic polymers in formations such as clay-containing oil reservoirs or clay-containing oil reservoirs which have previously been treated with polyfunctional cationic polymers.
Horton, Robert. (1986). Agents for petroleum recovery processes (U.S. Patent No. 4574885). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4574885
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile