Patent · US Active

Hydromorphone polymorphs

US7550592B2 · kind B2 · utility

2Cited by
0References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 2006
Grant dateJun 23, 2009
Priority date
Expiry dateNov 13, 2026

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D489/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Hydromorphone hydrochloride forms are disclosed which are useful as analgesic agents either in combination with or as replacements for hydromorphone hydrochloride.

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