Drug – bio-affecting and body treating compositions – Effervescent or pressurized fluid containing – Organic pressurized fluid
Reexamination Certificate
2007-03-06
2007-03-06
Richter, Johann (Department: 1616)
Drug, bio-affecting and body treating compositions
Effervescent or pressurized fluid containing
Organic pressurized fluid
C424S043000, C424S046000, C514S958000
Reexamination Certificate
active
10327198
ABSTRACT:
The invention comprises a medicinal aerosol composition comprising a propellant, an excipient comprising an acid or amine end-group and at least one and no more than two amide and/or ester functional groups, and a drug. The invention also comprises particulate medicinal compositions comprising particles with a mean mass aerodynamic diameter of less than about 10 microns that incorporate an excipient containing an acid or amine end-group and at least one and no more than two amide and/or ester functional groups.
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Duan Daniel C.
Scherrer Robert A.
Stefely James S.
3M Innovative Properties Company
Haghighatian Mina
Richter Johann
Ringsred Ted
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