Patent · US Expired

Casting composition

US5753741A · kind A · utility

4Cited by
0References
16Claims
0Family size

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Inventors

Key dates

Filing dateMay 19, 1997
Grant dateMay 19, 1998
Priority date
Expiry dateMay 19, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K9/02
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

In a casting composition comprising a curable syrup which contains a liquid monomer and polymer components optionally dissolved therein, and an inorganic filler which includes a quartz sand product, in order to simplify the production of white molded articles, it is proposed that a product, the individual grain of which consists in the core essentially of quartz and at the surface essentially of .alpha.-cristobalite (low-temperature modification) be selected as quartz sand product.

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