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:
Aug. 21, 2007
Filed:
Jul. 17, 2003
Applicants:
Wouter Ijdo, Hamilton, NJ (US);
Wilbur S. Mardis, Holland, PA (US);
Fred Whitton, Pt. Pleasant, NJ (US);
Inventors:
Wouter Ijdo, Hamilton, NJ (US);
Wilbur S. Mardis, Holland, PA (US);
Fred Whitton, Pt. Pleasant, NJ (US);
Assignee:
Elementis Specialties, Inc., Highstown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 14/00 (2006.01); C04B 33/02 (2006.01); C04B 33/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A clay slurry is described using smectite clay, water, and a defined phosphonate additive that is hydrolytically stable over time. The viscosity of the clay slurry remains pourable and relatively unchanged over time compared to prior art slurries. The slurry is useful to provide rheological control to paints and coatings and is particularly useful as an anti-bleed additive for concrete.