Patent · US Expired

Heat treated barium or strontium glass

US4492777A · kind A · utility

9Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 26, 1982
Grant dateJan 8, 1985
Priority date
Expiry dateNov 26, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K3/40
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The affinity for water of acid-washed barium or strontium glass powder is reduced by a heat treatment.

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