C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
31/121, 117/48.5
C04B 35/628 (2006.01) C04B 35/468 (2006.01) H01G 4/12 (2006.01)
Patent
CA 2335927
The invention provides slurries, dispersions, or slips of barium titanate- based particles in a non-aqueous medium and methods of their production. The particles have a coating comprising a metal oxide, metal hydrous oxide, metal hydroxide or organic acid salt of a metal other than barium or titanium. At least 90 percent of the particles have a particle size less than 0.9 micrometer when the coated particles are dispersed by high shear mixing.
L'invention concerne des suspensions, des dispersions ou des coulages de particules à base de titanate de baryum dans un milieu non aqueux et des procédés de fabrication correspondants. Lesdites particules ont un revêtement qui comprend un oxyde métallique, un oxyde métallique hydraté, un hydroxyde métallique ou un sel d'acide organique de métal autre que le baryum ou le titane. Au moins 90 % des particules ont une taille inférieure à 0,9 micromètre lorsque les particules revêtues sont dispersées par mélange à cisaillement élevé.
Clancy Donald J.
Miller David V.
Venigalla Sridhar
Cabot Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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