Patent · US Expired

Enzymatic bleach composition

US5601750A · kind A · utility

16Cited by
7References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 7, 1994
Grant dateFeb 11, 1997
Priority date
Expiry dateSep 7, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D3/38654
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An enzymatic bleach composition is provided comprising an enzymatic hydrogen peroxide-generating system and a bleach catalyst which is a coordination complex comprising manganese (Mn) and/or iron (Fe) ions, and preferably comprising a ligand L which is a macrocyclic organic compound of formula (I): ##STR1## wherein t is an integer form 2 to 3; s is an integer from 3 to 4, u is zero or one; each R.sup.1, R.sup.2 and R.sup.3 are independently selected from H, alkyl, aryl, substituted alkyl, and substituted aryl.

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