Drug – bio-affecting and body treating compositions – Solid synthetic organic polymer as designated organic active... – Polymer from ethylenic monomers only
Patent
1984-08-07
1987-06-23
Waddell, Frederick E.
Drug, bio-affecting and body treating compositions
Solid synthetic organic polymer as designated organic active...
Polymer from ethylenic monomers only
424496, 424497, A61K 932, A61K 936, A61K 922
Patent
active
046751750
ABSTRACT:
Composition for coating a biologically active substance, which is stable in a medium of which the pH is greater than or equal to 5, and which permits the release of the active substance in a medium of which the pH is less than or equal to 3.5, and biologically active substances when surrounded by this composition.
REFERENCES:
patent: 3303148 (1967-02-01), Joyner et al.
patent: 3562806 (1968-09-01), Grant et al.
patent: 3853988 (1974-12-01), Casadio et al.
patent: 3880990 (1975-04-01), Bauer et al.
patent: 3978204 (1976-08-01), Charle et al.
patent: 4181709 (1980-01-01), Dannelly
patent: 4196187 (1980-04-01), Dannelly et al.
Autant Pierre
Cartillier Andre
Quentin Jean-Pierre
A.E.C. Societe de Chimie Organique et Biologique
Waddell Frederick E.
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