Water-soluble microcapsules

Details Water-soluble microcapsules Water-soluble microcapsules

1987-11-09

1990-02-06

Lovering, Richard D.

Stock material or miscellaneous articles

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

Particulate matter

252 88, 25217412, 25217413, 252321, 252358, 252550, 252551, 252DIG13, 252DIG14, 424 943, 435182, A61K 3748, B01J 1302, C12N 1108

Patent

active

048987816

ABSTRACT:
Water-soluble microcapsules using a water-containing hydrophilic substance as a core material and at least one member selected from the group consisting of polyvinyl alcohol and modified polyvinyl alcohols as a coating material are stably retained in a concentrated aqeuous solution and are dissolved in water or a dilute aqueous solution.

REFERENCES:
patent: 3629140 (1971-12-01), Bayless et al.
patent: 3819528 (1974-06-01), Berry
patent: 4107071 (1978-08-01), Bayless
patent: 4244836 (1981-01-01), Frensch et al.
patent: 4269729 (1981-05-01), Maruyama et al.

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