the arowli ŒMU Enïay Butyl rubber, a man-mode gïanf molécule Invented in 1937» first produced: IR 1943* fiufyt went immediately to yrar^ replacing natural rubber for the manutactureot muer tuoe Sincejhe_war. Butyl has been, applied to many other ^rarcrcTrgrereg^fsa^sre^^ ^Ι^ϊπΗ^Μ^ΤΪΪ»!^^^^ Wiïn*m&7mi®*iW*
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g^fyra»iira.g»m%^&5^^ electrïcar; industrial and damesticnbrodMcfs: For a closer acauaintance with mis-remarkable young giant, contact the Êniay Compaiiy. A complete «ÎTCT3ÏPTZ-3»IM?U\h WdE Z»«lΜ; Orleans · Tulsa
APRIL 21, 1958 C&EN 9
