Appeal No. 95-1092
Application 08/044,436
viscosity of a coating by measuring temperature and adjusting
the coating composition by adding solvent. While Iwatsu does
not control the amount of solvent to be added to a coating
composition, the reference does teach measuring humidity
and/or temperature via a sensor to automatically control
heaters 15 and 23 to regulate the viscosity of the coating
composition applied. Since appellants admit it is known to
control the viscosity of waterborne compositions by
controlling humidity and temperature, one skilled in the art
would have been led to use a humidity sensor in the Fujisawa
process to control viscosity of waterborne compositions.
Accordingly, the examiner’s rejection of claims 1-6 is
affirmed.
The Rejection of Claims 7-9 Over
Fujisawa in view of Iwatsu
As for the embodiments set forth by claims 7-9, we are
constrained on this record to reverse the examiner. We find
no suggestion or motivation in the prior art which would have
led a person skilled in the art to arrive at adjusting a
coating composition by adding a secondary coating composition
which is similar, but not identical, to the primary coating
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