US 2011/0237680 A1Published application

Crystal forms of o-desmethylvenlafaxine fumarate

AssigneePliva Hrvatska D.O.O.

InventorsMarina RATKAJ, Gustavo FRENKEL

Life of this patent

Estimating the term…

Provided are crystalline forms of O-desmethylvenlafaxine fumarate, methods for their preparation, and pharmaceutical composition thereof.

Dependent claims

Crystalline form N of O-desmethylvenlafaxine fumarate.

Dependencies are inferred from the claim text.

C07C 217/74
Having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms…:…
A61K 31/137
Having aromatic rings , e.g. ketamine, nortriptyline: arylalkylamines, e.g. amphetamine, epinephrine, salbutamol, ephedrine or methadone
A61P 25/24
Drugs for disorders of the nervous system: antidepressants
C07C 57/15
Dicarboxylic acids: fumaric acid

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

Loading patent…