Patent · US Expired

7,8-Dihydroisomorphine derivative, namely azidoethylmorphine

US4167636A · kind A · utility

0Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 1978
Grant dateSep 11, 1979
Priority date
Expiry dateMar 29, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D489/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Azidoethylmorphine, a new 7,8-dihydroisomorphine derivative, has excellent antitussive effects without respiration depression.

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