US 7,611,730 B2Granted

Tramadol-based medicament

AssigneeGrüNenthal GmbH

InventorsJohannes Bartholomäus, Elmar Josef Friderichs

Life of this patent

Estimating the term…

Abstract

The invention relates to a medicament containing the racemate of tramadol in a retarded form and the (+)-enantiomer of tramadol in a non-retarded form.

Claims53

Dependent claims

A medicament comprising (a) the racemate of tramadol or a physiologically tolerated salt thereof in slow-release form and (b) the (+) enantiomer of tramadol or a physiologically tolerated salt thereof in immediate-release form.

Dependencies are inferred from the claim text.

Facts

Application: 10/641,779Filed 15 Aug 2003 · continuation
Priority: DE 101 08 12221 Feb 2001
Published: US 2004/0076669 A122 Apr 2004
Granted: 3 Nov 2009
Term ends: Not estimatedThe source records don’t support an estimate.

Classification14 codes

A61K 9/5084
Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated…:…
A61K 9/1652
Organic macromolecular compounds: polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
A61K 9/209
Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat: containing drug in at least two layers or in the core and in at…
A61K 9/5047
Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose: cellulose ethers containing no…

Family

PCT/EP02/01763Parent of this continuation · filed 20 Feb 2002
US 2004/0076669 A1Pre-grant publication · published 22 Apr 2004
US 7,611,730 B2This patent

From the US filing history. Foreign family members aren’t listed.

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