Enantiomer, Novelty and Inventive Step
H. Lundbeck A/S (hereinafter referred to as Lundbeck) is the holder of European patent EP 0 347 066 entitled “new enantiomers and their isolation”, which designates France and was filed on 1 June 1989; it claims priority of a British patent dated 14 June 1988. The invention relates to the two new enantiomers of the antidepressant drug Citalopram and the use of…