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. 03, 1987
Filed:
Oct. 03, 1983
Applicant:
Inventors:
Mark E Soderquist, Midland, MI (US);
Ramaiah Muthyala, Midland, MI (US);
William A Larson, Midland, MI (US);
Peter A Doty, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C23F / ; C23F / ;
U.S. Cl.
CPC ...
252-8551 ; 252-8555 ; 422 12 ; 422 15 ;
Abstract
Compositions useful as corrosion inhibitors for high density brines at high temperatures comprise phosphonium salts, such as triphenyldocosyl phosphonium chloride.