TORONTO, ONTARIO--(CCNMatthews - Dec. 21, 2004) - COVALON TECHNOLOGIES LTD. (formerly Seder Capital Corp.) (TSX VENTURE:SCP.P) (“CTL” or “Seder”), a capital pool company, today announced the closing of the previously announced acquisition by Seder of Covalon Technologies Inc. (“CTI”), a Toronto area based medical biomaterial company. The acquisition is Seder’s qualifying transaction (the “Qualifying Transaction”) pursuant to the policies of the TSX Venture Exchange (the “Exchange”). The Qualifying Transaction remains subject to CTL satisfying the final conditions of the Exchange.