Appeal 97-1554
Application 08/495,593
37. The "average valve deposits (mg)" for mixtures I
and II, and a mixture which did not contain a
polyisobutylamine are reported as follows:
+))))))))))))))))))))))0)))))))))),
* Mixture I * 7 *
/))))))))))))))))))))))3))))))))))1
* Mixture II * 28 *
/))))))))))))))))))))))3))))))))))1
* No additive * 123 *
.))))))))))))))))))))))2))))))))))-
The examiner's concerns with respect to the showings
38. The examiner notes, in effect, that the
comparison in the specification is not with the closest prior
art.
39. Thus, the examiner notes that Kummer describes
fuels with Component A and Rath describes fuels with Component
B. 40. The examiner did not find persuasive a
comparison of the claimed invention with either Kummer's fuel
having only polyisobutylamines or Rath's having only
polyetheramines.
41. The examiner also noted, that based on the prior
art (in particular Kummer), one skilled in the art would have
expected the results.
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