Bleaching regulator compositions and bleaching processes using t

Compositions – Oxidative bleachant – oxidant containing – or generative – Composition containing a stabilizer or a product in the form...

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25218628, 25218629, 252 95, C01B 1500

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active

055100554

ABSTRACT:
Bleaching regulator compositions of good ecological tolerance which, in the anhydrous and alkali-free form, comprise magnesium ions, for example, in the form of magnesium oxide, gluconic acid and nitrilotriacetic acid, and furthermore can contain citric acid, are described. They contain no ethylenediaminetetraacetic acid (EDTA), no phosphates and no phosphonates.

REFERENCES:
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patent: 3345303 (1967-10-01), Schmid et al.
patent: 3740187 (1973-06-01), Kowalski
patent: 3860391 (1975-01-01), Kling et al.
patent: 4075116 (1978-02-01), Mesaros
patent: 4880566 (1989-11-01), Baehr et al.
patent: 5362412 (1994-11-01), Hartman et al.
C.A. 85 (1976), 194060, abstracting JP 76/30184.
"Chemical Abstracts", vol. 84, No. 18, May 3, 1976, Columbus, Ohio, abstract No. 123349, Yotsuya, Minoru, et al., Bleaching of textiles.
"Chemical Abstracts", vol. 78, No. 12, Mar. 26, 1973, Columbus, Ohio, abstract No. 73587, Kakinuma, Kazumi, et al., Bleaching of . . . acid.

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