Appeal No. 1997-3282
Application No. 08/189,314
copolymers being graft-modified by unsaturated
carboxylic acids or their derivatives.
In addition to the above-mentioned components, the
polyolefinic elastomers a may further contain dyes,
pigments, weathering stabilizers, thermal
stabilizers, anti-blocking agents, lubricants,
antistatic agents, plasticzers, crosslinkers ets.
[sic, etc.], without departing from the ranges as
defined on shearing modulus and wettability in the
present invention.
Shibano is silent as to the polyolefin's structural
variables, such as molecular weight distribution and
composition distribution which affect the ultimate properties
of the polymers. Moreover, Shibano fails to teach any
criticality or desirability that the polyolefin polymers used
therein be homogeneous exhibiting properties such as narrow
molecular weight distribution, low polydispersity, single-
point melting behavior, or even sequencing of comonomers
within a chain which would support the examiner's finding that
Shibano inherently teaches a CDBI of greater than 70 percent. 4
4Support for our determination that homogeneous
polyolefin polymers have narrow compositional distribution and
thus CDBI's of generally greater than 70 percent can be found
in U. S. Patent No. 5,206,075, as discussed by appellant on
pages 6-7 of the brief, and newly found reference U. S. Patent
(continued...)
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