Henkel Kommanditgesellschaft Auf Aktien

Helmut Bloching

Peter Krings

Christian Hase

Horst-Jurgen Krause

Hans F Pfeiffer

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.

Stabilized liquid enzyme containing compositions

The method of activating aqueous solutions of percompounds utilizing hexacyclic ester-anhydrides of .alpha.-hydroxycarboxylic acids of the formula ##STR1## as activators, solid activated compositions comprising solid percompounds and said cyclic ester-anhydrides of .alpha.-hydroxycarboxylic acids, as activators.

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Hilden, Germany

Helmut Bloching