Microparticulate material and method of making such material

Details Microparticulate material and method of making such material Microparticulate material and method of making such material

1973-02-08

1976-05-25

Lovering, Richard D.

Drug, bio-affecting and body treating compositions

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Taste or smell or chemical irritation to the eye, nose, or...

2523011R, 252316, 424 1, 424 22, 424 32, 424 34, 424 35, 424257, 427 3, 264 4, A61K 952, B01J 1302

Patent

active

039594572

ABSTRACT:
In a finely dispersed emulsion of a water immiscible solution of an organic polyfunctional Lewis base and an aqueous solution of a partially hydrophilic, partially lipophilic polyfunctional Lewis acid, a reaction occurs at the phase interface to produce a novel microparticulate material comprised of the reaction product of the Lewis acid and the Lewis base. The maximum particle size dimensions of the microparticulate material depends on the degree of dispersion in the emulsified reaction mixture and may be as low as 2 microns or smaller.

REFERENCES:
patent: 2386157 (1945-10-01), Barthen et al.
patent: 2688598 (1954-09-01), McNeely
patent: 2947645 (1960-08-01), Milne
patent: 3043782 (1962-07-01), Jensen
patent: 3265630 (1966-08-01), Jensen

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