Faulding target of patent lawsuit .  ELIZABETH , N.J. 1996-08-27  Faulding Inc said on Tuesday Purdue Frederick Co filed a patent infringement lawsuit against Faulding and its Purepac Pharamceutical unit .  The suit was filed because of Purepac 's manufacture of Kadian , a sustained release morphine product , Faulding said .  Faulding said the claims in the lawsuit are without merit and will not impact upon the launch of Kadian in the United States .  Kadian was approved for sale in the [START_ENT] United States [END_ENT] last month , Faulding said .  Zeneca Group Plc , which will market Kadian , was named in the lawsuit with F.H. Faulding & Co , the majority shareholder of Faulding Inc , the company said .
United States