Patent · US Expired

Method of separating the racemate of tramadol

US5723668A · kind A · utility

7Cited by

3References

9Claims

0Family size

Assignee

Gruenenthal GmbH · DE

Inventors

Helmut Buschmann · Walheim, DE
Werner Winter · Aachen, DE
Ivars Graudums · Stolberg, DE
Peter Jansen · Uithuizen, NL

Key dates

Filing date	Dec 31, 1996
Grant date	Mar 3, 1998
Priority date	—
Expiry date	Dec 31, 2016

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/14
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A method of separating the racemate of tramadol is disclosed.

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