PURCHASE AGREEMENT BY AND AMONG VISKASE COMPANIES, INC., VISKASE CORPORATION, VISKASE HOLDING CORPORATION, VISKASE SALES CORPORATION, VISKASE EUROPE LIMITED, VISKASE S.A., VISKASE LIMITED, VISKASE CANADA INC., VISKASE CHILE EMBALAGENS, LTDA, VISKASE...Purchase Agreement • September 25th, 2000 • Viskase Companies Inc • Plastics products, nec
