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. 22, 1984
Filed:
Nov. 17, 1980
Applicant:
Inventor:
Claude M Finlayson, Houston, TX (US);
Assignee:
NL Industries, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
2523152 ; 106 387 ; 10628717 ; 252 / ; 252 / ; 252 / ; 252 28 ; 252309 ; 252D / ; 524236 ;
Abstract
The viscosity of liquid organic systems is increased by adding thereto an organophilic clay gellant which is the reaction product of a smectite-type clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of said clay and from 100 to 120 milliequivalents per 100 grams of clay of methyl or benzyl trialkyl ammonium salt, wherein the alkyl groups independently contain from 14 to 20 carbon atoms.