C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
23/21
C01F 11/18 (2006.01)
Patent
CA 1313583
ABSTRACT OF THE DISCLOSURE Disclosed is a novel process of producing plate-shaped calcium carbonate particles. The process comprises the steps of adding aqueous calcium hydrogen carbonate solution with a temperature of less than 50°C into an aqueous medium bath held at a temperature of not less than 50°C to generate plate-shaped calcium carbonate particles in the bath, the temperature of the bath being kept not less than 50°C during the addition of the aqueous calcium hydrogen carbonate solution; and recovering the generated plate-shaped calcium carbonate particles.
561418
Goto Norifumi
Iwashita Tetsushi
Motoyama Iwao
Nomura Kunio
Ota Yoshio
Marks & Clerk
Yabashi Industries Co. Ltd.
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