Document xzVvM8rMkNbYx6ZrLBoVwgEk1

United States Patent 4,217,255 barytes coke kaolin powdered alumina iron grit kyanite hematite MIX J Fiber glass cellulose Organic Binder rubber resin Curative Agents Filler Materials kyanite powdered alumina iron grit graphite barytes coke cryolite MIX L Fiber cellulose polyester kaowool Organic Binder rubber resin Curative Agents Filler Materials iron grit kyanite graphite barytes coke powdered alumina kaolin MIX M Glass Fiber Organic Binder rubber resin Curative Agents Filler Materials iron grit kyanite powdered alumina graphite barytes coke cryolite carbon black MIX N Glass Fiber Organic Binder rubber resin 13 87 7 31 3 62 0 53 22 37 13 17 8 36 1 45 0 71 15 06 2 76 11 59 0 26 23 19 5 73 20 26 14 48 2 89 0 50 0 33 2 49 2 95 16 62 31 08 12 44 6 70 15 56 4 98 0 50 3 22 9 46 7 51 24 71 14 09 1 01 1 98 16 81 10 26 4 86 4 92 14 35 2 55 2 16 17 82 1 57 78 45 3 32 19 57 2 65 74 48 3 24 16 97 1.17 78 64 3 19 16 90 Page 7 of 9 http //path uspto gov/netacgi/nph-Parser?Sectl=PT02&Sect2=HITOFF&u=/netahtml/sea 10/18/2003