Appeal No. 1999-1189
Application 08/219,317
formed from an ethylene alkyl acrylate copolymer blend such as a
blend of an ethylene butyl acrylate copolymer and an ethylene
methyl acrylate copolymer. Claim 28 is illustrative:
28. A transparent laminate having a peel test strength of
at least 8N/cm, comprising at least one lamina and at least one
interlayer wherein the interlayer is comprised of a film formed
from a blend of components (a), an ethylene butyl acrylate
copolymer (EBAC), having about 8 to 36% by weight of acrylate
groups; and
(b), an ethylene methyl acrylate copolymer (EMAC), having about 8
to about 42 percent by weight of acrylate groups; wherein the
blend of components (a) and (b) contains from about 5% to less
than about 95%, by weight, of component (a) and greater than
about 5% to about 95% by weight, of component (b).
THE REFERENCES
Gulf Res. & Dev. Co. (Batchelor) 1,154,620 Jun. 11, 19691
(Great Britain patent specification)
Latiolais et al. (Latiolais) WO 93/06137 Apr. 1, 1993
(PCT application)
THE REJECTIONS
Claims 28-36 and 40-58 stand rejected under 35 U.S.C. § 103
as being unpatentable over Batchelor taken with official notice,
and over Batchelor taken with official notice and Latiolais.2
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