C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/1334
C08K 5/00 (2006.01) C08K 11/00 (2006.01) C08L 21/00 (2006.01) C08L 67/02 (2006.01) C08L 97/02 (2006.01)
Patent
CA 1215488
IMPROVED GASKET MATERIALS Abstract The present invention relates to gasketing materials comprising a rubber binder, a pulverized rice hull filler and a polyester which preferably is crystallizable. The rice hull material acts as a reinforcing filler and, in combination with the rubber and polyester, provides gasketing materials which demonstrate the ability to conform to flange irregularities. As a result, the gaskets demonstrate remarkable sealing capabilities. When they comprise nitrile rubbers, they are also resistant to fuel absorption.
461232
Ehrhart Wendell A.
Lenox Ronald S.
Sparks Moses Jr.
Gowling Lafleur Henderson Llp
Interface Solutions Inc.
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