Appeal No. 2001-0168
Application No. 09/170,790
Ground of Rejection1
Claims 1-43 and 64-66 stand rejected under 35 U.S.C. § 103
as unpatentable over Moureaux.
We affirm as to claims 1, 5-9, 17-21, 23, 27-30, 32, 36-40,
42-43 and 64-66. We reverse as to claims 2-4, 10, 14-16, 22, 24-
26, 31, 33-35 and 41.
Background
The invention is directed to a barrier membrane having
improved resistance to undesired gas permeation and to a method
of producing a laminated barrier membrane useful for controlling
gas permeation therethrough. Such barrier membranes are, for
example, useful in vehicle tires and sporting goods, accumulators
used on heavy machinery and cushioning devices used in footwear.
Specification, page 2, lines 1-6.
The barrier membrane of the invention includes first and
second layers. The first layer is a combination of at least one
aliphatic thermoplastic urethane and a copolymer of ethylene and
1 The rejections of claims 1-43 and 64-66 under 35 U.S.C.
§ 112 first and second paragraphs have been withdrawn in view of
the amendment after final rejection, Paper No. 9, received March
2, 2000. See Examiner's Answer, Paper No. 12, page 2, paragraph
(6).
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