Plastic and nonmetallic article shaping or treating: processes – Encapsulating normally liquid material – Liquid encapsulation utilizing an emulsion or dispersion to...
Patent
1997-06-18
1999-06-15
Mullis, Jeffrey C.
Plastic and nonmetallic article shaping or treating: processes
Encapsulating normally liquid material
Liquid encapsulation utilizing an emulsion or dispersion to...
42721336, 42721334, B01J 1318, B01J 1308
Patent
active
059119233
ABSTRACT:
A method for microencapsulating a water-soluble or water-dispersible or water-sensitive material comprising dispersing the water-soluble or water-dispersible or water-sensitive material in an organic continuous phase and adding a polyfunctional isocyanate, a diol or polyol in the presence of an optional polymerization catalyst to the organic continuous phase is described.
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Hart Ronald L.
Virgallito David R.
Work Dale E.
Microtek Laboratories Inc.
Mullis Jeffrey C.
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