Drug – bio-affecting and body treating compositions – Solid synthetic organic polymer as designated organic active... – Polymer from ethylenic monomers only
Patent
1984-03-12
1986-10-07
Schenkman, Leonard
Drug, bio-affecting and body treating compositions
Solid synthetic organic polymer as designated organic active...
Polymer from ethylenic monomers only
424 81, 424111, 514324, A61K 3174
Patent
active
046158812
ABSTRACT:
Polymers formed by incomplete esterification of the hydroxy groups of a water-soluble polymer such as polyvinyl alcohol, amylose or dextran with a pharmacologically acceptable mono- or di-carboxylic acid to an extent sufficient to render the polymer water-insoluble although still water-swellable, are biodegradable. They are useful for the formulation of pharmaceutical compositions for parenteral administration, particularly in the form of injectable fine particles in which a drug is intimately mixed with or encapsulated by the polymer.
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Deibig Heinrich
Reiner Roland
Welle Hendricus B. A.
Honor Robert S.
Jewell Walter F.
Sandoz Ltd.
Schenkman Leonard
Sharkin Gerald D.
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