Patent · US Expired

Alkyl and alkenyl diethanolamine compounds as solubilizers for low-foam surfactants

US4853145A · kind A · utility

7Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 1987
Grant dateAug 1, 1989
Priority date
Expiry dateDec 21, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D1/835
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Aqueous low-foam cleaning compositions containing at least one surfactant which is a water-soluble or water-emulsifiable polyalkylene glycol ether of a long-chain alcohol, and at least one diethanolamine derivative of the formula ##STR1## in which R.sub.1 and R.sub.2 are linear or branched alkyl or alkenyl radicals containing 8 to 14 carbon atoms for R.sub.1 and 9 to 17 carbon atoms for R.sub.2, and PA0 r, s, t, u, v and w are integers of from 1 to 3.

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