Washing and cleaning method

Details Washing and cleaning method Washing and cleaning method

C - Chemistry, Metallurgy

11

D

C11D 3/39 (2006.01) C07D 211/56 (2006.01) C07D 211/94 (2006.01) C11D 3/28 (2006.01) C11D 11/00 (2006.01)

Patent

CA 2348555

The invention relates to a bleaching method which is carried out during washing and cleaning processes. The inventive method is characterized in that 1-500 µmole per liter/bath of one or more compounds of the 3,5- diaminopiperidine type, or the salts or metal complexes of compounds of said type are added to the corresponding bath which comprises a peroxide-containing washing and cleaning agent.

L'invention concerne des procédés de blanchiment dans le cadre de processus de lavage et de nettoyage. Ces procédés sont caractérisés en ce que l'on ajoute au bain correspondant, qui contient un agent de lavage et de nettoyage renfermant du péroxyde, au moins un composé de type 3,5-Diaminopipéridine ou les sels ou les complexes métalliques des composés de ce type et ce, à raison de 1-500 µmol par litre de bain.

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