Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2005-08-23
2010-10-26
Wilson, James O (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C544S385000
Reexamination Certificate
active
07820676
ABSTRACT:
Drug delivery systems have been developed based on the formation of diketopiperazine carboxylate salts and microparticles containing the same. The systems may further comprise a bioactive agent. Related methods for making and using the biologically active agent delivery compositions are also provided. In certain embodiments, the pharmaceutically acceptable salts described can be formed by removal of solvent by methods including distillation, evaporation, spray drying or lyophilization.
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Leone-Bay Andrea
Moye-Sherman Destardi
Wilson Bryan R.
Bergman Michelle Glasky
Cullman Louis C.
K&L Gates LLP
MannKind Corporation
Murray Jeffrey H
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