Retard form of pharmaceuticals with insoluble porous diffusion c

Details Retard form of pharmaceuticals with insoluble porous diffusion c Retard form of pharmaceuticals with insoluble porous diffusion c

1981-06-15

1982-11-30

Rose, Shep K.

Drug, bio-affecting and body treating compositions

Identification or warning feature

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

424 20, 424 21, 424 22, 424 37, A61K 948, A61K 952

Patent

active

043615465

ABSTRACT:
A pharmaceutical dosage unit retard form having a constant, pH-independent release rate of active ingredient, consisting of a core comprising an active ingredient, and a semi-permeable diffusion coating over the core, were the coating consists of a water-insoluble film-former, a water-soluble polymer and eventually an acid-insoluble polymer incorporated therein.

REFERENCES:
patent: 2853420 (1958-09-01), Lowey
patent: 2881085 (1959-04-01), Endicott et al.
patent: 2887440 (1959-05-01), Greminger et al.
patent: 2928770 (1960-03-01), Bardani
patent: 3096248 (1963-07-01), Rudzki
patent: 3247066 (1966-04-01), Milosovich
patent: 3344029 (1967-09-01), Berger
patent: 3371015 (1968-02-01), Sjugren et al.
patent: 3538214 (1970-11-01), Polli et al.
patent: 3539380 (1970-11-01), Johnson
patent: 3835221 (1974-09-01), Fulberth et al.
patent: 3917813 (1975-11-01), Pedersen
patent: 4083949 (1978-01-01), Benedikt
Spitael et al., Pharmazeutische Industrie 39(5): 502-505 (1977) Factors Affecting the Dissolution Rate of Enterig Coatings.

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