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. 04, 2010
Filed:
Sep. 05, 2006
Applicants:
Rafael Lugo, Paris, FR;
Christine Dalmazzone, Versailles, FR;
Annie Audibert, Croissy sur Seine, FR;
Inventors:
Rafael Lugo, Paris, FR;
Christine Dalmazzone, Versailles, FR;
Annie Audibert, Croissy sur Seine, FR;
Assignee:
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 33/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an additive that inhibits formation of gas hydrates for water-based drilling fluid, the additive having at least the following constituents (weight percent):