Stabilized liquid enzyme containing compositions

US4142999A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Helmut Bloching · Hilden, DE
• Peter Krings
• Hans Pfeiffer · Haan, DE

Key dates

• Filing date: Jul 20, 1977
• Grant date: Mar 6, 1979
• Expiry date: Jul 20, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D1/44
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A liquid concentrate which has a content of proteases and/or amylases, non-ionic and optionally anionic surfactants, water and optionally solvents selected from mono- and poly-valent alcohols and ethers thereof, which concentrate contains an alkoxylated alkylamine of the formula ##STR1## wherein R is alkyl of 4 to 20 carbon atoms, R' is hydrogen or alkyl of 1 to 10 carbon atoms, provided that the sum of the carbon atoms in R and R' is from 9 to 19, R" is hydrogen, methyl or hydroxymethyl, x is an integer from 1 to 5, and y is 0 or an integer from 1 to 5, provided that the sum of x and y is from 1 to 10; as well as its use as a washing and cleaning agent and washing and cleaning formulations containing the same.