C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 7/18 (2006.01) C01B 15/10 (2006.01) C11D 3/20 (2006.01) C11D 3/39 (2006.01) C11D 7/02 (2006.01) C11D 7/22 (2006.01) C11D 17/06 (2006.01)
Patent
CA 2199132
The invention relates to particles having a core comprising a peroxy compound with capability of releasing hydrogen peroxide or peroxy acids in aqueous solutions. The particles have a coating containing a silicate and a water soluble magnesium salt, and the core and/or the coating contains an aliphatic organic compound or a salt thereof as a chelating agent. The invention also relates to preparation and use of the particles as well as a composition containing such particles.
Particules dotées d'un noyau qui comprend un composé peroxy ayant la capacité de libérer du peroxyde d'hydrogène ou des peroxyacides dans des solutions aqueuses. Lesdites particules possèdent un revêtement contenant un silicate et un sel de magnésium hydrosoluble et le noyau et/ou le revêtement contiennent un composé organique aliphatique ou un sel dudit composé en tant qu'agent chélateur. La présente invention concerne également la préparation et l'utilisation desdites particules ainsi qu'une composition les contenant.
Jigstam Monica
Lagnemo Hans
Degussa Ag
Eka Chemicals Ab
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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