This article is from the Chemistry FAQ, by Bruce Hamilton B.Hamilton@irl.cri.nz with numerous contributions by others.
Check their WWW pages for information. http://www.argus.it/ Argus Chemicals http://www.dow.com/ Dow Chemicals http://www.eastman.com/ Eastman Chemicals http://www.ge.com/plastics/ GE Plastics http://www.hoechst.com/ Hoechst http://www.lilly.com/ Eli Lilly http://www.monsanto.com/ Monsanto http://www.chemfirst.com/qci/ Quality Chemicals http://www.rohmhaas.com/ Rohm and Haas http://www.sigma-aldrich.com/ Sigma, Aldrich and Fluka http://www.sumitomo-chem.co.jp/ Sumitomo Chemicals
 
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