Patent · US Expired

Use of formamidinium salts as bleach activators

US6028047A · kind A · utility

1Cited by
2References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 13, 1999
Grant dateFeb 22, 2000
Priority date
Expiry dateJan 13, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D3/3927
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to the use of compounds of the formula ##STR1## as bleach activators in detergents and cleaners, where R.sup.1, R.sup.2, R.sup.3 and R.sup.4, X and A are as defined in the description.

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