Biologically degradable polyamino dicarboxylic acid--CO--anhydro amino dicarboxylic acid derivative
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United States of America Patent
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Jul 20, 1993
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N/A
app pub date -
Jan 29, 1991
filing date -
Jan 31, 1990
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Abstract
The invention relates to biologically degradable polymers, in particular polyaminodicarboxylic acid-co-anhydroaminodicarboxylic acid derivatives, to a process for their preparation and to the use thereof for depot preparations having controlled delivery of active compound.
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