Patent · US Expired

Peroxyacid bleach compositions

US4529534A · kind A · utility

94Cited by
30References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 19, 1982
Grant dateJul 16, 1985
Priority date
Expiry dateAug 19, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D3/3945
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Surface active peroxyacid bleaches (e.g., perlauric acid) are protected against decomposition caused by presence of magnesium ions in aqueous solutions of said bleaches, by the presence of certain aminophosphonic acid and aminocarboxylic acid chelating agents.

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