The United States of America As Represented by the Secretary of

Gerhard Maerker

Thomas A Foglia

Samuel Serota

Leonard S Silbert

Yoshio Nakano

Theodore Perlstein

Complex mixtures of branched chain fatty acids or esters in which the yield of monomeric branched chain products are substantially increased and the yield of polymeric products substantially decreased are prepared by heating monounsaturated fatty acids or esters in the presence of certain combinations of catalysts.

Process for the preparation of branched chain fatty acids and esters

Water repellancy is imparted to fibrous cellulosic textile material by applying to it, for a very short period of time, an isopropenyl ester containing a catalytic amount of an acid catalyst and then heat curing the treated material. Excellent water repellancy is obtained at a very low degree of substitution and a high degree of retention of tensile strength.

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Oreland, PA, United States of America

Gerhard Maerker