Chemical composition and method

Details Chemical composition and method Chemical composition and method

2006-07-04

2006-07-04

Nguyen, Ngoc-Yen (Department: 1754)

Compositions

Oxidative bleachant, oxidant containing, or generative

Composition containing a stabilizer or a product in the form...

C252S186290, C252S187310, C252S187210, C423S478000

Reexamination Certificate

active

07070710

ABSTRACT:
The invention relates to a novel composition useful as a feed at production of chlorine dioxide, said composition being an aqueous solution comprising from about 1 to about 6.5 moles/liter of alkali metal chlorate, from about 1 to about 7 moles/liter of hydrogen peroxide and at least one of a protective colloid, a radical scavenger or a phosphonic acid based complexing agent, wherein the pH of the aqueous solution is from about 1 to about 4. The invention also concerns a process for producing chlorine dioxide using the novel composition.

REFERENCES:
patent: 2332181 (1943-10-01), Soule
patent: 2624655 (1953-07-01), Greenspan
patent: 2833624 (1958-05-01), Sprauer
patent: 4155709 (1979-05-01), Doerr
patent: 4534952 (1985-08-01), Rapson
patent: 5273733 (1993-12-01), Winters et al.
patent: 5366714 (1994-11-01), Bigauskas
patent: 5376350 (1994-12-01), Tenney et al.
patent: 2307818 (2000-05-01), None
patent: 93/21105 (1993-10-01), None
Derwent Publications Ltd., Abstract XP002901285 of JP 2160606.

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