On The Occasion Of Its 75th Anniversaiy, Chemical & Engineering Mews

Advanced Chemtech Air Liquide Air Products &

Chemicals Akzo Nobel Albemarle AlliedSignal Altus Biologies Amoco Chemical Apple Computer Arco Chemical Aristech Ashland BASF Bayer Beckman Coulter Biotage Boehringer Ingelheim Boehringer Mannheim Cambrex CambridgeSoft Celanese Cerestar ChemDesign ChemFirst Chemical Computing

Group Chevron Chemical

' Ghiroteoh :0 ^K^U^uMi

Degussa Dionex Di versa Dixie Chemical Dow Chemical Dow Corning DuPont Eastman Chemical Elf Atochem Exxon Chemical Gilson BF Goodrich Goodyear Henkel Hercules Hewlett-Packard Hoechst Hills Huntsman (Texaco) Hypercube ICI Americas ISP Lonza Lubrizol Molecular Simulations Inc. Mallinckrodt/Baker Merck

:;; ;fslSQ^ , ^ fraf^^

Penreco Perkin-Elmer Phillips Petroleum Pressure Chemical Raschig Reichhold Chemicals Reilly Industries Rhone-Poulenc Riedel-de Haen Rohm and Haas Ruetgers-Nease SABIC SNPE Sartomer Saurefabrik Schweizerhall Shell Chemical Sigma Aldrich Silicon Graphics Solutia Solvay Spectrum Chemical Stepan Sun Oil 3M Tripos Union Carbide Varian Vulcan

;r^&fchj^Ha^fe-i;tKe':fbllbwing companies and organizations forJtH^i:|||^^r?|i:ip/ifv Chemical & Engineering News' 75th Anniversary celebration in Boston at the ACS national meeting, Aug. 23, 1998: At the Diamond Level, Amoco Chemical, Bayer, Beckman Coulter, Chirotech, Crompton & Knowles, Degussa, Dionex, Dixie Chemical, Dow Chemical, DuPont, Eastman Chemical, Elf Atochem, Exxon Chemical, BF Goodrich, Henkel, Hewlett-Packard, ISP, Lonza, Molecular Simulations Inc., Occidental Chemical, Phillips Petroleum, PQ, Union Carbide, Waters, Witco, and the Chemical Enterprise Consortium; at the Golden Level, the Camille & Henry Dreyfus Foundation, the Council for Chemical Research, Diversa, ICI Americas, and Zeneca.

Salutes Its Top Corporate Supporterai