Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Matrices
Patent
1993-02-12
1995-08-29
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Matrices
424489, A61K 914
Patent
active
054458307
ABSTRACT:
A highly absorbable pharmaceutical composition containing, as the active ingredient, methyl 3-phenyl-2(E)-propenyl 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate in an amorphous state and a pH-dependent type copolymer of methacrylic acid or its derivatives which composition has been prepared by dissolving the two components together in an organic solvent and thereafter removing the solvent.
REFERENCES:
patent: 4547359 (1985-10-01), Zierenberg et al.
patent: 4923977 (1990-05-01), Lang
patent: 4940556 (1990-07-01), MacFarlane et al.
patent: 4971790 (1990-11-01), Magruder
Derwent Abstract No. 84-264656/43 (relating to USP 4,547,359), Derwent Publications Ltd.
Ishida Kozo
Ishizue Yoshihiro
Koshino Kaszuyo
Nishibayashi Toru
Odomi Masaaki
Benston W.
Otsuka Pharmaceutical Co. Ltd.
Page Thurman K.
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