B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
252/18, 73/93
B01D 15/08 (2006.01) B01J 13/00 (2006.01) B01J 20/32 (2006.01) B01J 35/08 (2006.01)
Patent
CA 1088042
ABSTRACT OF THE DISCLOSURE Superficially porous macroparticles of improved characteristics are formed from an impervious core having a diameter in the range of about 5 to about 500 microns, at least two monolayers of like microparticles adhered to the core, each microparticle having an average diameter in the range of about 0.005 to about 1.0 micron, and at least two monolayers of like unltramicroparticles adhered to the surface of the microparticle, each ultramicroparticle having a diameter in the range of about 1.0 to about 15millimicrons..
292468
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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