Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Particulate form
Patent
1993-03-25
1994-11-29
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Particulate form
514257, A61K 914
Patent
active
053688643
ABSTRACT:
Formulations of oxypurinol and/or its alkali or alkaline earth salts in non-crystalline form, containing the active substance in the form of a solids dispersion with pharmacologically harmless adjuvants. They have more rapid and higher solubility than oxypurinol and/or its alkali or alkaline earth salts. They can be used for the preparation of drugs having high bioavailability of the active substance oxypurinol.
REFERENCES:
patent: 4978668 (1990-12-01), Babbs
patent: 5021242 (1991-06-01), Romer
Chemical Abstracts, vol. 83, No. 2, 14 Jul. 1975 (Columbus, Ohio, US), J. H. Collett et al.; "Effects of polyvinylpyrrolidone on the solubility and dissolution rate of allopurinol", see p. 340, abstract 15544t, & J. Pharm. Pharmacol. 1974, 26, Suppl., 84P-85P.
Journal of Pharmaceutical Sciences, vol. 60, No. 9, Sep. 1971, Win Loung Chiou et al.: "Pharmaceutical applications of solid dispersion systems", pp. 1281-1302.
Lahr Wolfgang
Weickgenannt Guido
Bawa Raj
Henning Berlin GmbH Chemie -und Pharmawerk
Page Thurman K.
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