C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/39 (2006.01) C01B 15/00 (2006.01) C01B 15/10 (2006.01) C07C 409/00 (2006.01) C11D 3/08 (2006.01) C11D 3/20 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2183750
The invention relates to particles having a core comprising a peroxy compound with capability of releasing hydrogen peroxide or peroxy acids in aqueous solutions, which particles have a coating containing alkali metal silicate and a chelating agent. The invention also relates to preparation and use of the particles as well as a composition containing such particles.
La présente invention concerne des particules dont le noyau comporte un composé peroxy capable de dégager, dans des solutions aqueuses, du peroxyde d'hydrogène ou des acides peroxy. Ces particules comportent un enrobage à base de silicate métallique alcalin et d'un agent chélateur. L'invention concerne également la préparation et l'utilisation des particules ainsi qu'une composition incluant de telles particules.
Jigstam Monica
Lagnemo Hans
Degussa Ag
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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