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Exact Exact Batch Similar Substructure Substructure (SMARTS) Full documents Claims only Add AND condition
Add AND condition
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Pharmaceutical compositions having retarded release of the active substance

Classifications

A61K31/55 Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
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IL57796A0

Israel

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English

Worldwide applications
1979 DD FI SE BE IT FR IL NL GR GB PT NO DK LU ZA CA AU 1981 US 1982 US 1984 US

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