Patent · US Expired

Bleaching compositions

US6440921B1 · kind B1 · utility

0Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 7, 2001
Grant dateAug 27, 2002
Priority date
Expiry dateMay 7, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D1/29
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to a bleaching composition comprising a pre-formed peroxycarboxylic acid and a surfactant system comprising at least two surfactants. These compositions are stable to deliver improved bleaching performance while also being safe to color and fabric. Furthermore, the compositions herein are also chemically and physically stable upon prolonged periods of storage time.

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