Document 1yrx3DqRyNRap79m98vVwQDn5

Mr. 1. I* Lloje - Bound Brook nt. Calkins and ftittoohoefsr fifT-STLTTr June 19, 1942 I o*ll year attention to too 0, 8. patents obioh hr* juat eons to Issue baring bearing on your activities la connection oith deralopinr o suitable hlgb-tsapsrsturc bait-insulation saterial, l.o., UlliUU, Bo. 2,284,400 - Bay 26, 1942 - F. t. Llessllya and 1. ft. Fainter This pctoot rslxtss to o eoapocitloo osipoied of foanod olcft (bubble aloft) and oabeatoa bound together *ltb a mixture of sodium ailloito and aloe oadda. lo. 2,284.499 - lay 26, 1942 JU 1. lUeArVar and H. B. Graider (Carey Co.) Tbls peter.t ralatet to a for* of precision holding hlgb-tae^-reture insulation *Meh it fabricated soscubat along the linos of the Flut process. Heercr, Z call your attention specifically to the fol lowin' excerpt fro* pace 4, second solum, lines SI to 63t ' Another azaapla of a high tooparature heat inaulation a Uriel ehicb is adapted to be set by bee tin; conaists principally of a fixture of eeleiua oxide end calcined dlatosseoous earth. For snea;le, a neterial aentaiaine about 301 of onlciux oxide, about 65? of calcined 41atoasesous earth, about $> of aabeatos fiber nay be aided In the for* of a ac-i-plastic slurry. Upon host ing the sold under ateu preinre in a closed ehaaber the line resets dth the diatoucsoaf earth to for* oalelua silicate, ablcb acts as a bonding agent for tho in sulation Material." BliC. President 01-0213923 GAF 22747