REDUCTIVE BLEACHING COMPOSITION AND METHOD OF BLEACHING

Russian Federation Patent

PATENT NO 2143022
APP PUB NO RU-94029671-A
SERIAL NO

94029671

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FIELD: chemical composition. SUBSTANCE: described is reductive bleaching composition comprising no phosphates and comprising reductive bleaching agent and bleaching stabilizer. Bleaching stabilizer is citric acid derivative, ratios of components being as follows, wt %: (a) reductive bleaching agent, 30-80; (b) citric acid derivative. 20-70 Also described is method of bleaching. Bleaching composition is useful for reductive bleaching of fibers of vegetable and animal origin or synthetic fibers, and also paper. EFFECT: high degree of whiteness is attained, composition is safe for environment. 10 cl, 5 ex

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