Peroxidised polyorganosiloxanes (POS), one of the methods...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...

Reexamination Certificate

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C510S116000, C510S375000, C510S466000, C510S506000

Reexamination Certificate

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06841645

ABSTRACT:
The invention concerns polyorganosiloxanes (POS) grafted with peroxide functions and functions stabilizing the latter. Said stabilized peroxidised POS are designed to form a novel oxidizing system useful as bleaching agents, for example or dental or detergent compositions. The invention aims at and succeeds in providing peroxygenated bleaching agents more stable and more efficient than those known in prior art. The inventive stabilized and peroxidised POS correspond for example to the formula (a). The invention also concerns a method for making said peroxidised POS, the precursors thereof and their uses as bleaching agents in dental compositions (toothpaste or detergent compositions).

REFERENCES:
patent: 3726943 (1973-04-01), Joy
patent: 897.973 (1962-06-01), None
Patent Abstracts of Japan vol. 012, no. 279 (C-517), Aug. 1, 1998, & JP 63 057643 A (Nippon Oil & Fats Co. Ltd.) Mar. 12, 1988.
International Search Report.

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