Montedison S.p.a.

Salvatore Gafa

Fulvio Burzio

Giulio Calmanti

Alfonso Gatti

Giovanni M Dadea

A printed waste paper de-inking composition for use in the 'washing' process is disclosed containing:

Composition for the de-inking of printed waste paper by the washing

A de-inking composition is disclosed consisting substantially of:

Process for the de-inking of printed waste paper

Detergent compositions containing self-requestering surfactants the molecules of which contain both a hydrophilic structure and a lipophilic structure are disclosed. The compositions comprise at least 5% by weight, of hydrosoluble salts having the formula ##STR1## in which R is alkyl, arylalkyl or alkylaryl of from 6 to 18 carbon atoms;

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Milan, Italy

Salvatore Gafa