0000950131-99-005802 8-K 1 19991022 5 19991022 STEPAN CO 0000094049 2840 361823834 DE 1231 8-K 34 001-04462 99732504 EDENS & WINNETKA RDS NORTHFIELD IL 60093 7084467500 EDENS & WINNETKA ROAD NORTHFIELD IL 60093 STEPAN CHEMICAL CO /DE/ 19840108 8-K 1 000095013199005802-001-seq1-8-k.txt FORM 8-K