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:
Oct. 30, 1984
Filed:
Aug. 24, 1983
Applicant:
Inventors:
Lino Vio, Pau, FR;
Gilles Meunier, Lescar, FR;
Assignee:
Societe Nationale Elf Aquitaine, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524446 ; 524555 ; 524547 ;
Abstract
A method for impeding the sedimentation of clays in water by adding a water-soluble compound. This compound is constituted by a polymer bearer of hydroxamic groups attached to a linear hydrocarbon chain. The amount of this adjuvant is small on the order of a few milligrams.