Bleaching composition comprising as a bleaching catalyst a compl

Details Bleaching composition comprising as a bleaching catalyst a compl Bleaching composition comprising as a bleaching catalyst a compl

1991-02-19

1992-05-19

Clingman, A. Lionel

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 95, 252156, 2521861, 25218633, 502152, 502156, 502171, 502103, 8111, 8137, C11D 395, C11D 304, C11D 704, D06L 302

Patent

active

051146061

ABSTRACT:
A stable and effective manganese complex for use as a peroxy compound bleach catalyst is disclosed, the catalyst being a water-soluble complex of manganese (II), (III), or (IV) or mixtures thereof with a ligand which is a non-carboxylate polyhydroxy compound having at least three consecutive C--OH groups in its molecular structure. Bleaching composition comprising a peroxy compound and the catalyst, as well as process for bleaching substrates using said catalyst are also disclosed. Preferred ligand is sorbitol and preferred catalyst is Mn-sorbitol complex.

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