It was founded by Lipitor (atorvastatin calcium) codiscoverer Roger Newton, after his ideas for using synthetic high-density lipoprotein (HDL) derivatives as biopharmaceuticals were rejected by ...

In the United States, Pfizer’s revenue was further hit by the loss of exclusivity of high chlorestorol medication, Lipitor (atorvastatin calcium), when its patent ran out in November 2011.

If you purchased Lipitor in any one of two dozen states ... 29, 2011, or you purchased the generic atorvastatin calcium these locations between Nov. 30, 2011, and Dec. 31, 2012, you may be ...