NOVA SUBSIDIARY RAISES U.S. POLYETHYLENE PRICES
  Novacor Inc, a unit of &lt;Nova,
  an Alberta Corp>, said it would raise prices for U.S. customers
  by five cts a pound on linear low-density and low-density
  polyethylene, effective April 1.
      The company did not immediately disclose the actual new
  prices.
      A Novacor official later said in reply to an inquiry that
  the new prices, effective April 1, would range from 31 U.S. cts
  a pound to about 38 cts.
      The official said the increase reflected improved market
  conditions, although he noted the new prices would still be
  lower than those of three years ago.
  

