Document YjX7aX5jwjRZbvBNdxjmmLex0

.onsanto Chemical Company Anniston, Alabama D: r June 26, 1953 Mr. P. G. Benignus St. Louis S.c : AROCLOR USES Mr. H. J. Krase-Dayton Mr. J. R. Wilson-St. Louis Please add the attached abstract of U. S. patent 2,612,463 to the abstracts which I sent you with my letter of June 10 in connection with the above subject. ' dw Att. Elmer P. Rucker j&u). DSW 269368 STLCOPCB4054237 2,612,463 Rodney G. Brovm, assignor to E. I. du Pont de Nemours & Company Sept. 30, 1952 BOOKBINDING ADHESIVES AMD A METHOD OF 13PLHKG SAME "Uiis Invention relates to the art of book-binding,and more particularly to hot melt adhesives Tor use therein." Claim 1. "A solvent-free, hot melt adhesive composition particularly adapted for binding books, comprising an ethanol-soluble synthetic linear polyamide having an intrinsic viscosity of at least 0.4 and containing amide groups separated by an average of at least two carbon atoms as an integral part of the main polymer chain and a compatible lique fying softener therefor., the ratio of polyamide to softener being between 45:55 and 65:35." Claim 7 "The composition of claim 1, in which the liquefying softener is chlorinated diphenyl*" DSW 269369 STLCOPCB4054238