Show STUDY PLASTIC PATENT WASHINGTON ASHINGTON April 21 UP S. S C. C Kelton secretary of Rohm Haas Philadelphia Tuesday denied denied denied de de- nied that a patent agreement between be be- t tween his firm and a German concern concern con con- c cern ern had impeded plans planet production in In this country Kelton appeared before the senate senate senate sen sen- ate patents committee to reply to testimony by Special Assistant Attorney General Walter R. R Hutchinson Hutchinson Hutchinson Hut- Hut chinson charging that another company Du Pont was unable unable unable un un- able to fill defense orders for a transparent plastic needed for plane windshields and blisters There is not now ana ano there never has been a shortage of plexiglas plexiglas glas las the trade name of the plastiC plastic plas plas- tic for war purposes Kelton said Hutchinson had testified that DuPont producing the plastic Under under un un- der the trade name lucite was forced to turn away orders because because because be be- cause it could not fill them and that Du Pont operated under an agreement restricting it to half the production of Rohm ohm and Haas The basic expansion in plexiglas plexiglas plexiglas glas production for war purposes began in 1939 Kelton said and capacity has been increased many times over We had virtually nothing we could pass on of value to any German concern but Germany passed on extremely valuable information in in- in formation to us As As a result of bringing plexiglas plexiglas glas to the United States Rohm and Haas is able to state with pride that it has been able to keep ahead of all orders received from the army navy or aircraft manu manu- |