Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Particulate form
Reexamination Certificate
2001-11-30
2011-11-01
Alstrum Acevedo, James H (Department: 1616)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Particulate form
C424S046000
Reexamination Certificate
active
08048451
ABSTRACT:
The invention provides microparticles for use in a pharmaceutical composition for pulmonary administration, each microparticle comprising a particle of an active substance having, on its surface, particles of a hydrophobic material suitable for delaying the dissolution of the active substance. The invention also provides a method for making the microparticles.
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Bannister Robin
Harris Haggis
Morton David Alexander Vodden
Staniforth John Nicholas
Acevedo James H Alstrum
Davidson Davidson & Kappel LLC
Vectura Limited
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