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:
Sep. 15, 2009
Filed:
Oct. 31, 2007
Applicants:
Ronald S. Doles, LaGrange Park, IL (US);
David S. Viers, Aurora, IL (US);
Inventors:
Ronald S. Doles, LaGrange Park, IL (US);
David S. Viers, Aurora, IL (US);
Assignee:
Nalco Company, Naperville, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C04B 28/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filler component for making an investment casting slurry, which comprises: a major portion of finely divided silica, aluminum silicate, alumina, zircon, or mixtures thereof; and a minor portion of one or more finely divided materials having particles in which, on average, at least one dimension of the particle is at least about four times greater than at least one other dimension of the particle. Typically, the particles are of generally plate-like or needle-like shape.