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:
Sep. 28, 1999
Filed:
Nov. 30, 1994
Applicant:
Inventors:
Richard D Hutchins, Placentia, CA (US);
Hoai T Dovan, Yorba Linda, CA (US);
Burton B Sandiford, Balboa Island, CA (US);
Assignee:
Union Oil Company of California, El Segundo, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166295 ; 166309 ; 2523151 ; 507222 ; 507903 ; 523130 ; 524916 ;
Abstract
Cationic polymer-containing gels are stable at elevated temperatures in soft and hard waters.
Hutchins, Richard. (1999). Ultra-high temperature stable gels (U.S. Patent No. 5957203). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5957203
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile