Condensation products containing n, o-acetal-or carbonamide...

C - Chemistry – Metallurgy – 07 – D

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C07D 317/34 (2006.01) C08B 31/04 (2006.01) C08B 37/00 (2006.01) C08F 8/16 (2006.01) C08F 8/28 (2006.01) C08G 16/00 (2006.01) C08G 63/91 (2006.01) C08G 69/00 (2006.01) C08G 69/50 (2006.01) C08G 73/02 (2006.01) C11D 3/16 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2140526

Condensation products that contain N,O-acetal or carboxamide structures and are useful as detergent and cleaner additives are obtainable by condensation of (a) compounds that contain at least one unit of the structural elements Image Image (I) or (II) where X is OH or NHR and R is C1-C6-alkyl or -CH2-COOH, with (b) aldehydes, ketones or aldehyde- or keto-carboxylic acids to form acetal-lactones, and subsequent cleavage of the acetal-lactones with (c) aminocarboxylic acids, primary or secondary amines and/or polyethyleneimines.

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