Patent · US Expired

Stabilized particle of sodium percarbonate

US5462804A · kind A · utility

30Cited by
10References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 1994
Grant dateOct 31, 1995
Priority date
Expiry dateMay 6, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2989
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A stabilized sodium percarbonate particle includes a sodium percarbonate particle having at least one coating layer thereon, wherein the at least one coating layer includes (a) a silicate; (b) magnesium sulfate; and (c) an alkali metal salt selected from the group consisting of alkali metal carbonates, alkali metal bicarbonates and alkali metal sulfate. The present sodium percarbonate particle is good in solubility and is excellent in its formulation stability with detergent.

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