Patent · US Expired

Washing and cleaning agents containing .beta.-alanine-N,N-diacetic acid

US4997587A · kind A · utility

10Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1989
Grant dateMar 5, 1991
Priority date
Expiry dateAug 17, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D3/33
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Washing and cleaning agents for aqueous use contain from 2 to 25% by weight, based on the total weight of the agent, of .beta.-alanine-N,N-diacetic acid or an alkali metal or ammonium salt thereof as water softener. The washing and cleaning agent is effective in preventing hardness deposits on textiles and fabrics.

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