Document 85kajyJvp3GbRM1Xv1G11xpMB

United States Patent 4,217,255 Curative Agents Filler Materials iron grit kyanite powdered alumina graphite barytes coke cryolite MIX 0 Glass Fiber Organic Binder rubber resin Curative Agents Filler Materials iron grit kyanite graphite barytes coke zinc powder MIX P Fiber glass cellulose Organic Binder rubber resin Curative Agents Filler Materials iron grit kyanite graphite barytes coke zinc powder MIX R Fiber glass cellulose Organic Binder rubber resin Curative Agents Filler Materials iron grit kyanite barytes coke powdered alumina carbon black 24 34 13 88 0 26 7 78 17 16 10 11 4 78 4 92 12 07 31 12 12 46 6 63 12 12 7 62 3 06 6 34 0 51 5 02 12 34 31 75 12 71 6 85 13 89 5 08 3 12 3 18 6 38 10 21 8 11 26 67 15 21 6 38 11 17 1 08 7 10 1 60 78 31 6 21 16 99 3.79 73 01 6 85 17 36 2 40 73 40 9 56 18 32 4 51 67 61 Page 8 of 9 The performance of these composition friction materials against the A A R standards is shown below, where P=passed test and F=failed test http //patft uspto gov/netacgi/nph-Parser^Sectl=PT02&Sect2=HITOFF&u=/netahtml/sea 10/18/2003