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:
May. 31, 2011
Filed:
Dec. 07, 2007
Applicants:
Laxmikant Tiwari, Southampton, GB;
G. Richard Meyer, Missouri City, TX (US);
David Horsup, Bellaire, TX (US);
Inventors:
Laxmikant Tiwari, Southampton, GB;
G. Richard Meyer, Missouri City, TX (US);
David Horsup, Bellaire, TX (US);
Assignee:
Nalco Company, Naperville, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/52 (2006.01); C09K 8/524 (2006.01); E21B 43/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
Environmentally friendly compounds for corrosion inhibition and hydrocarbonaceous deposit removal and methods using such compounds are disclosed and claimed. The compounds are derivatives of heterocyclic bis-quaternary molecules having an amido moiety and are applicable to a variety of oil and gas operations.