Patent · US Expired

Prostaglandin-containing lyophilized powders

US4058623A · kind A · utility

4Cited by
2References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 1976
Grant dateNov 15, 1977
Priority date—
Expiry dateMar 22, 1996

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K47/32
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Lyophilized prostaglandin-containing powders are stabilized with tris(hydroxymethyl)-aminomethane hydrochloride.

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