Appeal No. 1998-1005
Application No. 08/362,042
density in the range of from about 0.935 g/cm3 to about
0.965 g/cm3 and a WVTR up to about 0.54 g/100 in2/24
hrs./mil; wherein said ethylene polymer has an Mz/Mw
less than about 2.5, said ethylene polymer having
volatile levels not exceeding 100 wppm of < C20, and
not exceeding 10 wppm of hexadecene.
10. A food consisting essentially of;
a) a food; and
b) a package covering and in contact with said
food, said package including a polyethylene,
i) a density in the range of from about 0.935
g/cm3 to about 0.965 g/cm3;
ii) a WVTR up to about 0.54 g/m2/24hr/mil;
iii) a Mw/Mn up to about 3;
iv) a Mz/Mw less than about 2;
v) a Mz+1/Mw in the range of from about 1.4 to
about 1.9;
vi) a < C20 volatiles content less than about 75
wppm; and
vii) a hexadecene volatiles content less than
about 7.5 wppm.
The examiner relies on the following prior art references
as evidence of unpatentability:
Nowlin 4,833,111 May 23, 1989
Welborn, Jr. et al. 5,084,534 Jan. 28, 1992
(Welborn)
Nordness et al. 5,089,308 Feb. 18, 1992
(Nordness)
The Wiley Encyclopedia of Packaging Technology 313-14
(Marilyn Bakker ed., 1986)(Packaging Technology).
Claims 1 through 10 on appeal stand rejected under
35 U.S.C. § 103(a) as unpatentable over Welborn in view of
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