Appeal No. 1997-3529 Page 7
Application No. 08/463,939
branched chain ether component, not a dimethyl ether
containing diesel fuel.
From our perspective, the examiner has not satisfactorily
explained why one of ordinary skill in the art would have been
led to modify the composition of the diesel fuel of Norton in
light of the teachings of Neely and Brown so as to arrive at
the herein claimed fuel composition. How would the priming
fuel teachings of Neely or the high octane gasoline components
produced as suggested by Brown lead one of ordinary skill in
the art to effect a modification in the diesel fuel of Norton?
On this record, we are constrained to reverse the stated
rejection over the combined teachings of those references.
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