CAMBRIDGE, Mass., July 17 /PRNewswire-FirstCall/ -- Biopure Corporation (Nasdaq: BPUR) announced that it has received notice from The Nasdaq Stock Market, by letter dated July 17, 2009, that its common stock would be delisted from Nasdaq.

CAMBRIDGE, Mass., July 16 /PRNewswire-FirstCall/ -- Biopure Corporation (Nasdaq: BPUR) announced today that it has filed a voluntary petition for relief under Chapter 11 of the United States Bankruptcy Code in the United States Bankruptcy Court for the District of Massachusetts.

CAMBRIDGE, Mass., June 30 /PRNewswire-FirstCall/ -- Biopure Corporation (Nasdaq: BPUR) announced that it has received notice from The Nasdaq Stock Market, by letter dated June 24, 2009, that it is out of compliance with the Nasdaq Marketplace Rules and its common stock may be delisted.

CAMBRIDGE, Mass., May 18 /PRNewswire-FirstCall/ -- Biopure Corporation (Nasdaq: BPUR) announced today that the Food and Drug Administration has advised the U.S.

CAMBRIDGE, Mass., March 31 /PRNewswire-FirstCall/ -- Biopure Corporation (Nasdaq: BPUR) announced today that it has received several notices from The Nasdaq Stock Market.