Patent · US Expired

Dry powder pharmaceutical formulation

US6391340B1 · kind B1 · utility

14Cited by

0References

13Claims

0Family size

Assignee

ASTRAZENECA AB · SE

Inventors

Karin Malmqvist-Granlund · Lund, SE
Gordon Santesson · Hörby, SE
Eva Trofast · Lund, SE

Key dates

Filing date	Feb 24, 2000
Grant date	May 21, 2002
Priority date	—
Expiry date	Feb 24, 2020

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P37/08
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

There is described a solid particulate pharmaceutical formulation suitable for application to the nose comprising finely divided additive particles and finely divided drug particles, wherein the mass median diameter of the drug particles is greater than that of the additive particles.

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