Patent · US Expired

Controlled release tramadol tramadol formulation

US7074430B2 · kind B2 · utility

69Cited by
103References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 2001
Grant dateJul 11, 2006
Priority date
Expiry dateMar 6, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P29/02
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A controlled release preparation for oral administration contains tramadol, or a pharmaceutically acceptable salt thereof, as active ingredient.

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