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. 17, 2011
Filed:
Oct. 16, 2008
Applicants:
Ashoke K. Sengupta, Barrington, IL (US);
David Mcgregor, Grayslake, IL (US);
Jerald W. Darlington, Jr., Marengo, IL (US);
Inventors:
Ashoke K. SenGupta, Barrington, IL (US);
David McGregor, Grayslake, IL (US);
Jerald W. Darlington, Jr., Marengo, IL (US);
Assignee:
Amcol International Corporation, Hoffman Estates, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 9/04 (2006.01); C08K 5/19 (2006.01); C08K 3/34 (2006.01); C09C 1/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
The surface of hydrophobically-modified smectite clays (i.e., organophilic clays) are modified using a hydrophilic polymer, wherein the hydrophilic surface-modification of a hydrophobically-modified smectite clay with a hydrophilic polymer, renders the organoclays adequately dispersible in water.