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The insoluble matter of coal tar. IV. Coal tar resins

Journal of the Society of Chemical Industry, 1948
AbstractThe So‐called coal tar resins are defined and their preparation from vertical retort tar and pitch is described. The resins are divided into resinols, resinoic acids, resinenes, and resinamines, about 99% consisting of resinenes. The importance of dxygen in these compounds is discussed.
S. J. Green, S. M. Mukherji
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