Particulate composition containing bleach and optical...

Details Particulate composition containing bleach and optical... Particulate composition containing bleach and optical...

D - Textiles, Paper

06

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8/52, 134/5.3

D06L 3/02 (2006.01) C01B 15/10 (2006.01) C11D 3/39 (2006.01) C11D 3/42 (2006.01) D06L 3/12 (2006.01)

Patent

CA 2000102

A manufacturing process and composition is claim- ed for a composition of matter comprising sodium carbonate, sodium carbonate perhydrate, a fluorescent whitening agent and a diphosphonic acid. The process comprises incorporating the fluorescent whitening agent and diphosphonic acid into aqueous hydrogen peroxide, uniformly applying the hydrogen peroxide solution to particulate sodium carbonate to form a reaction mixture, urging water vapor from the surface of the reaction mixture and maintaining the tempera- ture of the reaction mixture between about 35C and 80C.

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