Patent · US Expired

Calcium silicate shaped product

US4574012A · kind A · utility

12Cited by
8References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 1982
Grant dateMar 4, 1986
Priority date
Expiry dateDec 28, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B14/30
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A calcium silicate shaped product comprises heat-resistant particles having a radiation energy absorptivity of at least 20% throughout the entire range of the wavelength of from about 2 to about 5.mu., as measured by a 0.1 wt. % KBr disc method.

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