Come to the Chemical Abstracts Service Booth at the 183rd National

Come to the Chemical Abstracts Service Booth at the 183rd National ACS Meeting March 29-31,9 a.m.-5 p.m. and April 1,9 a.m.-3 p.m. Booths 223-226: • demonstrations of new input methods for CAS ONLINE, the chemical substance search and display system from Chemical Abstracts Service • free substance search offer—we'll search the substance you choose and mail to you search results of up to 50 answers • and more! Presentations by CAS staff at the Meeting: "CAS ONLINE—Marketing Applications of a Chemical Substance Search System" presented by R.G. Dunn "CAS Information Services for Medicinal Chemists" presented by J.J. Heyman and E.H. Karasinska "Problems with Foreign Literature" presented by G.O. Platau and J.T. Dickman

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CHEMICAL ABSTRACTS

CAS ONLINE Hit' ( :hemi( al Substance Search and Display System From Chemical Abstracts Service

KEY TO THE WORLDS CHEMICAL LITERATURE

JfôUMLl MU^KnniC IMKDIKtëdL Μ11ΤΠΜ© John M. Clayton Hall University of Delaware Newark, Delaware 19711 April 21 - 23, 1982 For Advance Registration Contact

Mr. David Bartley John M. Clatyon Hall University of Delaware Newark, Delaware 19711 Analytical H. Gold, CI of Delaware Applied Photochemistry and Imaging B. Monore, DuPont Haskell Labs Biochemistry V. Chowdhry, DuPont Experimental Station Chemical Education C υοη Frankenberg, CI of Delaware Chemical Information G Nelson, ICI Americas Chromatography Forum of Delaware Valley S. Liebman, Chemical Data Systems

Computers in Chemistry F. Van-Catledge, DuPont Experimental Station Environmental T.L. Go, ICI Americas Inorganic J. Burmeister, (J of Delaware Medicinal G. Boswell, DuPont Experimental Station Organic P. Bernstein, ICI Americas Physical G Dybowski, CI of Delaware Polymer H. Jabloner, Hercules Research Center

Safety and Industrial Hygiene ft Hemmingway, DuPont Haskell Labs Technician Affiliates G Miller, DuPont Experimental Station Special Symposia: Improving Technological Innovation J. Hecht, DuPont Experimental Station, and Planning for Retirement H. Skolnik, Hercules Research Center (Retired)

Sponsoring Sections Central Pennsylvania · Delaware · Lehigh Valley · Maryland · Monmouth County · North Jersey Philadelphia · Princeton · Southeastern Pennsylvania · South Jersey · Susquehanna Valley · Trenton Washington · Western Maryland H.W. Blunt, Hercules, General Chairman W.K. Moberg, DuPont, Program Chairman D.F. Eaton, DuPont, Symposium Chairman

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C&EN March 22, 1982

H. Monck, Hercules, and V. Ahrens, university of Delaware, Expositions and Arrangements Chairmen