Patent · US Expired

Fugitive pattern for casting

US7302991B2 · kind B2 · utility

4Cited by
23References
20Claims
0Family size

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Inventors

Key dates

Filing dateOct 27, 2005
Grant dateDec 4, 2007
Priority date
Expiry dateNov 11, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L91/06
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A fugitive pattern for making a shell mold for investment casting a metal or alloy comprises a substantially random interpolymer and a low molecular weight polymer in proportions to provide a fugitive pattern having a combination of properties suitable for use in making the shell molds.

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