Microencapsulation product and process

Details Microencapsulation product and process Microencapsulation product and process

1990-05-21

1991-09-24

Stoll, Robert L.

Stock material or miscellaneous articles

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

Particulate matter

264 47, 42840222, 424408, 424462, 514963, B01J 1316

Patent

active

050513060

ABSTRACT:
An active principle microencapsulated in an envelope formed by interfacial polymerization of two non-miscible phases A and B, organic phase A comprising at least one water insoluble active principle which do not react with each other, a polyfunctional monomer a and a solvent for the active principle and aqueous phase B comprising a polyfunctional monomber b and a catalyst which allows a progressive diffusion of the active principle and protects the same from the environment.

REFERENCES:
patent: 4037353 (1977-07-01), Hennart et al.
patent: 4046741 (1977-09-01), Scher
patent: 4376113 (1983-03-01), Suglia et al.
patent: 4428983 (1984-01-01), Nehen et al.
patent: 4675249 (1987-06-01), Bowman
patent: 4722838 (1988-02-01), Tocker
patent: 4738898 (1988-04-01), Vivant
patent: 4876290 (1989-10-01), Vivant
patent: 4956129 (1990-09-01), Scher et al.

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