Water-soluble azo compound in the form of granules having a sphe

Details Water-soluble azo compound in the form of granules having a sphe Water-soluble azo compound in the form of granules having a sphe

1994-10-19

1997-07-22

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534586, 534738, 534838, 534886, C07C24500

Patent

active

056504985

ABSTRACT:
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 add dropwise water or a hydrophilic solvent dissolving the water-soluble azo compound with stirring to granulate the water-soluble azo compound in the solution, and produce the spherical granule of the water-soluble azo compound.

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patent: 5010178 (1991-04-01), Lai
patent: 5013445 (1991-05-01), Leimen et al.
patent: 5037963 (1991-08-01), Lai

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