Inventor
RUEPPEL DIETHER
DE4 patents
Patents
4 patentsUS5041291AAug 20, 1991
Biodegradable poly(hydroxyalkyl)amino dicarboxylic acid) derivatives, a process for their preparation, and the use thereof for depot formulations with controlled deivery of active ingredient
HOECHST AG57 citations94
US4835248AMay 30, 1989
Biologically degradable polyamide for depot preparations having controlled release of the active compound
HOECHST AG24 citations91
US4906473AMar 6, 1990
Biodegradable poly(hydroxyalkyl)amino dicarboxylic acid) derivatives, a process for their preparation, and the use thereof for depot formulations with controlled delivery of active ingredient
HOECHST AG11 citations72
US5100673AMar 31, 1992
Microencapsulation of biologically active material
HOECHST AG16 citations70