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:
Feb. 28, 1984
Filed:
Oct. 19, 1981
Applicant:
Inventors:
Wilbur S Mardis, Trenton, NJ (US);
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 27 ; 106 387 ; 10628717 ; 252 / ; 252 / ; 252 28 ; 252D / ; 2604 / ; 524236 ;
Abstract
An organophilic clay gellant comprising the reaction product of an organic cationic compound and a smectite-type clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of said clay, wheein said organic cationic compound contains (a) a first member selected from the group consisting of a .beta., .gamma.-unsaturated alkyl group, and a hydroxyalkyl group having 2 to 6 carbon atoms, and mixtures thereof, (b) a second member comprising a long chain alkyl group having 12 to 60 carbon atoms and (c) a third and fourth alkyl member.