Appeal No. 2001-2441
Application No. 09/067,923
most preferred (40-50 wt%) amounts of wax (specification, page 7,
lines 1-2).
Tokunaga’s disclosed resins include many of the resins
disclosed by the appellants as elastomeric resins (specification,
page 7, lines 3-13), including polyvinyl chloride, polyvinyl
acetate, vinyl chloride-vinyl acetate copolymer, polyethylene,
polypropylene, ethylene-vinyl acetate copolymer, styrene-
butadiene rubber, nitrile rubber, polyacrylate rubber and
ethylene-propylene rubber (col. 3, lines 17-29). Tokunaga’s
amount of resin, 0-30 wt%, overlaps the appellants’ preferred
range of 5-40 wt% and encompasses the appellants’ particularly
preferred range of 10-20 wt% (specification, page 7, lines
13-15).
The appellants disclose about their pigment only that it is
preferably light colored, can be white, is present in an amount
of 5-80 wt%, preferably 40-50 wt%, of the total dry ingredients
in the thermal transfer material, and typically is desired at a
high loading of 50 wt% (specification, page 7, lines 20-26;
original claim 4). The amount of Tokunaga’s extender pigments,
0-30 wt%, overlaps the appellants’ range of 5-80 wt%. Also,
4
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