Movable or removable closures – Processes
Reexamination Certificate
2006-12-26
2006-12-26
Thompson, II, Hugh B. (Department: 3634)
Movable or removable closures
Processes
C049S490100, C277S650000, C264S171130, C428S122000
Reexamination Certificate
active
07152374
ABSTRACT:
A composite extrusion for an automotive seal strip is formed of an extruded body, and a veneer extruded onto the body. The extruded body is composed of ethylene-propylene diene rubber compound. The veneer is composed of a polymer blend that includes the reaction product of an acrylate polymer and a glycidyl acrylate polymer. The reaction of the acrylate polymer and the glycidyl acrylate polymer improves adhesion and also provides a barrier to inhibit migration of vulcanizing agents from the ethylene-propylene diene rubber body into the veneer that would otherwise cause discoloration during use.
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Brinks Hofer Gilson & Lione
GenCorp Inc.
Thompson II Hugh B.
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