Patent · US Expired

O-substituted 6-methyltramadol derivatives

US6828345B2 · kind B2 · utility

2Cited by

14References

8Claims

0Family size

Assignee

Gruenenthal GmbH · DE

Inventors

Helmut Buschmann · Walheim, DE
Babette-Yvonne Koegel · Eschweiler, DE
Elmar Friderichs · Stolberg, DE
Dagmar Kaulartz · Stolberg, DE

Key dates

Filing date	Mar 31, 2003
Grant date	Dec 7, 2004
Priority date	—
Expiry date	Mar 31, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/14
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to O-substituted 6-methyl-tramadol derivatives, to methods for producing them, to medicaments containing these compounds, to the use of O-substituted 6-methyl-tramadol derivatives for producing medicaments for treating pain and other symptoms or diseases, and to methods of treatment using the medicaments.

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