Patent · US Expired

Process for preparing foamable sodium percarbonate

US4193977A · kind A · utility

1Cited by
3References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 11, 1978
Grant dateMar 18, 1980
Priority date—
Expiry dateSep 11, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B15/103
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

In the preparation of foamable sodium percarbonate, a cooling step is employed after a heat treatment at 110.degree.-135.degree. C. for 5-60 minutes.

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