C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 67/10 (2006.01) B01J 2/00 (2006.01) C09B 67/00 (2006.01)
Patent
CA 2118444
The present invention provides a process for producing a spherical granule of a water-soluble azo compound, which comprises dispersing a water-soluble azo compound in a water-insoluble solvent and then dropping a water or a hydrophilic solvent dissolving the water-soluble azo compound with stirring to granulate the water-soluble azo compound in the solution, and the spherical granule of the water-soluble azo compound.
Amo Hideo
Goto Akihiko
Kajimoto Masaya
Marks & Clerk
Otsuka Kagaku Kabushiki Kaisha
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