Patent · US Active

Filler component for investment casting slurries

US7588633B2 · kind B2 · utility

2Cited by
13References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 2007
Grant dateSep 15, 2009
Priority date
Expiry dateOct 31, 2027

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2111/125
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.