Process For Preparing Carrier Particles For Dry Powders For Inhalation

Process For Preparing Carrier Particles For Dry Powders For Inhalation

  • CN 104,257,610 A
  • Filed: 03/11/2011
  • Published: 01/07/2015
  • Est. Priority Date: 04/01/2010
  • Status: Active Application
First Claim
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1. the method for the preparation of the powder pharmaceutical compositions that can suck carrier used, described method comprises:

  • operating weight is the magnesium stearate of the 0.1-1.3% of carrier, dry method bag quilt is carried out to the lactose granule of the mass diameter had in 30-1000 micrometer range, to provide described magnesium stearate to the pan coating of lactose granule, the granule of bag quilt is made to have the degree of the pan coating more than 60%, wherein said dry method bag by step in based on the hybrid granulator of high shear force of friction behavior to be equal to or higher than 500r.p.m., but the rotating speed being equal to or less than 2500r.p.m carries out.

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