Solid particles encapsulated with cyanoacrylate polymer

Details Solid particles encapsulated with cyanoacrylate polymer Solid particles encapsulated with cyanoacrylate polymer

1982-05-20

1984-06-05

Ives, P. C.

Stock material or miscellaneous articles

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

Particulate matter

428328, 428402, 428522, 428690, 4289077, 427 64, 427 68, 427221, B32B 1508, B05D 506

Patent

active

044528612

ABSTRACT:
Article of manufacture comprises a solid core particle individually encapsulated with a film consisting essentially of alkyl 2-cyanoacrylate polymeric material. The film may be produced in situ by agitating a mixture of core particles having adsorbed water on the surfaces thereof in a nonaqueous liquid containing dissolved alkyl 2-cyanoacrylate monomer, whereby the monomer and adsorbed water react and deposit the film on the surfaces of the particles.

REFERENCES:
patent: 2908588 (1959-10-01), Harper
patent: 3494912 (1970-02-01), Toyama et al.
patent: 4329332 (1982-05-01), Couvreur et al.
A. T. Florence, T. L. Whateley, and D. A. Wood, "Potentially Biodegradable Microcapsules with Poly (Alkyl 2-Cyanoacrylate) membranes," J. Pharm. Pharmacol., 31, 422-424 (1979).

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