Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Patent
1994-04-29
1995-12-05
Kishore, Gollamudi S.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
424469, 424470, 424471, 424472, 424473, 424474, 424475, 424479, 424480, 424481, 424482, 424457, A61K 922, A61K 924, A61K 952
Patent
active
054727103
ABSTRACT:
Pharmaceutical preparation to be administered orally with controlled release of active substance and method for its manufacture. Pharmaceutical preparation to be administered orally with controlled release of active substance, containing a nucleus which itself consists at least of one pharmacologically active substance, or a nucleus of physiologically safe material which is enveloped by an active substance layer, containing at least one pharmacologically active substance, if needed, a first membrane, then an acid layer consisting at least of a physiologically safe acid and then a compound membrane consisting of a pH sensitive polymer and an insoluble polymer, as well as methods for its manufacture. The pharmaceutical preparation is applicable to all claimed types of medicine and to the therapy of illnesses.
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Fischer Wilfried
Klokkers-Bethke Karin
Kishore Gollamudi S.
Schwarz Pharma AG
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