Exhibit 4.6 PREFERRED STOCK PURCHASE AGREEMENT PREFERRED STOCK PURCHASE AGREEMENT (the "Agreement"), dated as of December 3, 1997 by and between ImClone Systems Incorporated, a Delaware corporation, with a principal place of business at 180 Varick...Preferred Stock Purchase Agreement • March 31st, 1998 • Imclone Systems Inc/De • Biological products, (no disgnostic substances) • Delaware
Exhibit 10.66 Amendment of December 1997 to the Research and License Agreement between ImClone Systems Incorporated and Merck KGaA WHEREAS ImClone Systems (hereinafter "ImClone") and Merck KGaA (hereinafter "Merck" ) are parties to a Research and...Imclone Systems Inc/De • March 31st, 1998 • Biological products, (no disgnostic substances)
Exhibit 10.65 Amendment of May 1996 to the Research and License Agreement between ImClone Systems Incorporated and Merck KGaA WHEREAS ImClone Systems (hereinafter "ImClone") and Merck KGaA (hereinafter "Merck") are parties to a Research and License...Imclone Systems Inc/De • March 31st, 1998 • Biological products, (no disgnostic substances)
