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:
Aug. 23, 1994
Filed:
Oct. 30, 1992
Applicant:
Inventors:
Bobby G Brake, Duncan, OK (US);
Jiten Chatterji, Duncan, OK (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C09K / ;
U.S. Cl.
CPC ...
524166 ; 523130 ; 252-8551 ; 166295 ;
Abstract
Improved liquid fluid loss reducing additives, well cement compositions containing the additives and methods of using the compositions are provided by this invention. The liquid fluid loss reducing additives are basically comprised of water, polyethylene imine, an alkali metal salt of alkylbenzene sulfonic acid and an alkali metal salt of naphthalene sulfonic acid condensed with formaldehyde.