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. 18, 2001
Filed:
Sep. 27, 1999
Applicant:
Inventors:
Gene D. Rose, Midland, MI (US);
Gordon McCann, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/00 ; E21B 4/326 ;
U.S. Cl.
CPC ...
C09K 3/00 ; E21B 4/326 ;
Abstract
A well treatment fluid such as a fracturing fluid or drilling fluid which comprises a water-in-oil emulsion containing an amine or amine oxide surfactant of the following formula: