Stock material or miscellaneous articles – Composite – Of fluorinated addition polymer from unsaturated monomers
Reexamination Certificate
2007-03-20
2007-03-20
Miggins, Michael C. (Department: 1772)
Stock material or miscellaneous articles
Composite
Of fluorinated addition polymer from unsaturated monomers
C428S036900, C428S036910, C428S421000, C138S137000, C138S140000, C138S141000
Reexamination Certificate
active
10454171
ABSTRACT:
The present invention relates to a hose comprising: a thermoplastic fluoropolymer barrier layer; and a rubber layer adjacent to the barrier layer, the rubber layer comprising 100 parts by weight of an elastomer comprising FKM fluoroelastomer; from about 1 to about 15 parts by weight, per 100 parts by weight of elastomer, of at least one acid acceptor selected from the group consisting of magnesium oxide, calcium hydroxide, litharge, dibasic lead phosphite, calcium oxide, and zinc oxide; from about 1 to about 6 parts by weight, per 100 parts by weight of elastomer, of at least one diamine curative; and from about 1 to about 10 parts by weight, per 100 parts by weight of elastomer, of at least one of a hydrotalcite or tricalcium aluminate hexahydrate; wherein the weight ratio of the at least one acid acceptor to the at least one hydrotalcite ranges from about 1 to about 5.
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DiMascio Ramon Joseph
Pilkington Mervin Victor
DeLong John D.
Miggins Michael C.
The Goodyear Tire & Rubber Company
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