Particles containing releasable fill material and method of maki

Details Particles containing releasable fill material and method of maki Particles containing releasable fill material and method of maki

1986-02-13

1987-07-21

Cannon, James C.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

71 3, 71 6413, 71 70, 71 71, 264 43, 264 433, 264 47, 424DIG10, 424409, 427150, 42721332, 42721333, 4283215, 4284233, 514788, 514962, 514965, A01N 2528, B01J 1302, C08G 1882

Patent

active

046818065

ABSTRACT:
Particles containing a releasable fill material and method of preparing same. A particle comprises a continuous polyurea surface layer, and an interior portion comprising a polyurea matrix, said matrix having a fill material contained therein, said matrix forming a continuum extending from the surface layer into the interior of the particle. The particles can be prepared by a method comprising:

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