Patent · US Active

Dry powder formulations

US8246935B2 · kind B2 · utility

15Cited by
2References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 27, 2011
Grant dateAug 21, 2012
Priority date
Expiry dateOct 27, 2031

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P29/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A dry powder suitable for inhalation n a dry powder inhaler, the powder comprising a carrier, an active agent and at least 0.5% by weight of magnesium stearate, the powder being further characterized in that the less than 10% of the surface of the carrier material is covered with particles of magnesium stearate. The invention is also directed to a method of making dry powders by blending together the ingredients mentioned in a diffusion blender for a period of time that is less than 60 minutes.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.