Pharmaceutical compositions for inhalation

Details Pharmaceutical compositions for inhalation Pharmaceutical compositions for inhalation

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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