Methods of improving control of release rates and products usefu

Details Methods of improving control of release rates and products usefu Methods of improving control of release rates and products usefu

1974-01-07

1976-08-24

Medbery, Aldrich F.

Surgery

Respiratory method or device

Ozone or ion generation

424 19, 424 22, 1283355, A61K 2712, A61M 3100

Patent

active

039760715

ABSTRACT:
Improved processes for obtaining the sustained release of pharmaceuticals from polymer matrices comprising the utilization of such steps as will allow the formation of solid solutions between pharmaceutical and its matrix or, conversely and in a proper case, substantially avoiding formation of any solid solution between the matrix and pharmaceutical. The advantage of such processes is the greater predictability of qualitative and quantitative nature of release rates of products formed therewith.

REFERENCES:
patent: 3225766 (1965-12-01), Baptist et al.
patent: 3435008 (1969-03-01), Schmitt et al.
patent: 3545439 (1970-12-01), Duncan
patent: 3630200 (1971-12-01), Higuchi
patent: 3641237 (1972-02-01), Gould et al.
patent: 3773919 (1973-11-01), Boswell et al.
patent: 3810458 (1974-05-01), Semp
patent: 3811444 (1974-05-01), Heller
patent: 3887699 (1975-06-01), Yolles

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