0000950137-00-001816 DEF 14A 1 20000525 20000421 NANOPHASE TECHNOLOGIES CORPORATION 0000883107 3390 363687863 IL 1231 DEF 14A 34 000-22333 606598 453 COMMERCE ST BURR RIDGE IL 60521 6303231200 453 COMMERCE STREET BURR RIDGE IL 60521 DEF 14A 1 000095013700001816-001-seq1-def-14a.txt SCHEDULE 14A