Patent · US Active

Pharmaceutical composition

US11311502B2 · kind B2 · utility

4Cited by
16References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 26, 2020
Grant dateApr 26, 2022
Priority date
Expiry dateMay 26, 2040

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P11/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A pharmaceutical composition is described. The composition comprises: (i) a drug component comprising at least one salmeterol compound selected from salmeterol and the pharmaceutically acceptable derivatives thereof; and (ii) a propellant component comprising 1,1-difluoroethane (HFA-152a).

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