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:
Jan. 16, 1996
Filed:
Nov. 04, 1993
Applicant:
Inventor:
Daniel K Chung, Burlington, CA;
Assignee:
Nalco Canada Inc., Burlington, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C04B / ;
U.S. Cl.
CPC ...
524446 ; 524447 ; 106487 ;
Abstract
A liquid slurry of bentonite which comprises bentonite, water, a polyacrylate, and a sodium salt of silicic acid. Optionally, a sulfonate is present in an amount of between about 10 to about 30% by weight.