Appeal 97-1554
Application 08/495,593
28. The examiner declined to give much weight to a
showing in applicants' specification and a Rule 132 Schwahn
declaration.
Showing in the specification
29. In their specification, applicants compare fuels
which:
(1) do not contain Component A or Component B,
(2) which contain Component A and a
polyether (not a polyetheramine), and
(3) which contain a Component A and a
Component B.
30. Component A is said to be a "polyisobutylamine"
having an average molecular weight of 1000 prepared as
described in Kummer (specification, page 8, lines 23-26).
31. However, the specification does not reveal
whether isobutene alone was used to make the
"polyisobutylamine" or whether, as Kummer would permit, a
mixture of isobutene and butene was used.
32. According to applicants, the comparisons show:
(1) unexpected results with respect to
clearness of the Component A and Component
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