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:
Dec. 02, 2003
Filed:
Oct. 05, 2001
Applicant:
Inventors:
Annie Audibert, Croissy sur Seine, FR;
Christine Noïk, Le Pecq, FR;
Alain Rivereau, Rueil Malmaison, FR;
Assignee:
Institute Francais du Petrole, Rueil-Malmaison Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 1/604 ;
U.S. Cl.
CPC ...
C04B 1/604 ;
Abstract
A lightened cement slurry for cementation of a well includes cement, at least one mineral filler, water, and resin particles obtained by polymerization from vinyl aromatic, alkyl acrylate or acrylic monomers, wherein the polymerization includes crosslinking.