Patent · US Expired

Alkaline detergent having high contents of nonionic surfactant and complexing agent, and use of an amphoteric compound as solubilizer

US6080716A · kind A · utility

3Cited by
6References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 1997
Grant dateJun 27, 2000
Priority date
Expiry dateOct 31, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D1/92
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to the use of an amphoteric compound as solubilizer and discloses an alkaline concentrate in the form of a clear aqueous solution which, after diluting with water, is suitable for use as detergent and which contains as least 4% by weight of a nonionic alkoxylate surfactant containing 2-12, preferably 3-10 alkyleneoxy groups having 2-4 carbon atoms, at least 50% of the alkyleneoxy groups being ethyleneoxy groups, at least 13% of a complexing agent, and 1-15% by weight of an amphoteric compound.

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