Patent · US Expired

Pain management with liposome-encapsulated analgesic drugs

US5451408A · kind A · utility

120Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 1994
Grant dateSep 19, 1995
Priority date
Expiry dateMar 23, 2014

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K31/485
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Liposome-encapsulated opioid analgesic agents delivered by the pulmonary route provide local, or systemic analgesia superior to that produced by the solution form of these agents administered by parentral (intravenous, intramuscular, or subcutaneous injection) or oral routes.

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