Exhibit 10.28 PLEDGE AGREEMENT PLEDGE AGREEMENT (this "Pledge Agreement"), dated as of May 31, 1993, by KUSLIMA SHOGEN (the "Pledgor") and ALFACELL CORPORATION, a Delaware corporation ("Alfacell"), to FIRST FIDELITY BANK, NEW JERSEY, as the secured...Pledge Agreement • October 8th, 1997 • Alfacell Corp • Biological products, (no disgnostic substances) • New Jersey
