Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1985-03-05
1987-08-04
Lovering, Richard D.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
106 21, 264 41, 264 43, 264 47, 503213, 425 5, 425804, 427151, 42840221, 428914, B01J 1302, B32B 2724
Patent
active
046845747
ABSTRACT:
The invention relates to a process for encapsulating solutions of reactants of color reaction systems by means of conventional encapsulation processes, the reactant initially being dissolved in a solvent with a good dissolving power and immediately prior to emulsification or encapsulation, a non-solvent, which only dissolves the reactant to an insignificant extent, is admixed with the fresh solution obtained in a quantity which adjusts a supersaturated system, the capsulates obtainable as a result thereof, as well as their use with an encapsulated solution of a basic color former, which supplies a color by the reaction with acid reactants, in non-carbon paper.
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patent: 4219439 (1980-08-01), Miyake et al.
patent: 4299723 (1981-11-01), Dahm et al.
patent: 4333849 (1982-06-01), Pack et al.
patent: 4428978 (1984-01-01), Jabs et al.
Hartmann Claus
Pietsch Gunther
Lovering Richard D.
Papierfabrik August Koehler AG
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