[ noun ] calcium blocker (trade name Procardia); appears to increase the risk of recurrent heart attacks <noun.artifact>
Bayer, a West German chemical concern, was issued a U.S. patent for nifedipine in 1974.
But before Chase could market nifedipine, it had to face a long and expensive lawsuit by Pfizer, which charged that Chase had infringed on its Procardia patent.
Chase focused initially on nifedipine, a version of Pfizer Inc.'s heart drug Procardia.