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. 26, 1985
Filed:
Nov. 15, 1982
Applicant:
Inventors:
Dennis E Dria, Austin, TX (US);
Noel J Bremer, Kent, OH (US);
Myra A Dria, Austin, TX (US);
Rodger W McKain, Chagrin Falls, OH (US);
Assignee:
The Standard Oil Company, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
252 / ; 514526 ;
Abstract
Unsaturated nitrile compounds, e.g., acrylonitrile, are used as microbiocides to inhibit undesired bacterial growth in injection water used in enhanced oil recovery methods. The biocides are efficacious for the control of sulfate reducing bacteria, including Desulfovibrio desulfuricans.