Patent · US Expired

Liposomal local anesthetic and analgesic products

US4937078A · kind A · utility

135Cited by
14References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 26, 1988
Grant dateJun 26, 1990
Priority date
Expiry dateAug 26, 2008

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/127
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Liposome encapsulated local anesthetic or analgesic agents when applied to skin or mucous membranes provided greater local anesthesia and analgesia than the same agents incorporated in conventional vehicles i.e., ointment, cream or lotion.

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