Microcapsule having hydrophilic wall material and containing wat

Details Microcapsule having hydrophilic wall material and containing wat Microcapsule having hydrophilic wall material and containing wat

1974-08-23

1976-02-03

Pianalto, Bernard D.

Stock material or miscellaneous articles

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

Particulate matter

252316, 427150, B01J 1302

Patent

active

039365735

ABSTRACT:
A pressure-rupturable, liquid-droplet-containing microcapsule having walls of hydrophilic polymeric film-material such as gelatin wherein the liquid core-material is a water-immiscible oil having water dissolved therein together with additional material which is water-soluble such as a water-soluble colorless chromogenic dye-precursor material or color-developing reactant material.

REFERENCES:
patent: 3418656 (1968-12-01), Vassiliades
patent: 3516943 (1970-06-01), Brynko
patent: 3594328 (1971-07-01), Schibler

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