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:
Mar. 14, 2000
Filed:
Apr. 01, 1998
Applicant:
Inventors:
Thomas C Farrow, Gonzales, TX (US);
Chris A Rasmussen, Gonzales, TX (US);
William R Menking, Gonzales, TX (US);
David Hugh Durham, Gonzales, TX (US);
Paul W Carroll, Gonzales, TX (US);
Assignee:
Southern Clay Products, Gonzales, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; C09C / ;
U.S. Cl.
CPC ...
106487 ; 106468 ; 10628717 ; 10628734 ; 501148 ;
Abstract
An organoclay composition comprising a mineral clay mixture which has been treated with an alkyl quaternary ammonium salt said mixture comprising: mineral clay (a) comprising 50 to 95 wt. %, based on the weight of the mineral clay mixture, of a mineral clay selected from the group consisting of sepiolite, palygorskite and mixtures of sepiolite and palygorskite; and mineral clay (b) comprising the balance by weight of the mineral clay mixture, of a smectite.