Appeal No. 1998-2941 Page 42
Application No. 08/061,985
Reexamination Control No. 90/003,682
The Egg Pasteurization Manual teaches (pp. 35-39) to
sanitize/clean/sterilize the pasteurization apparatus before
passing the next run of liquid egg material to the
pasteurization apparatus.
Based on our analysis and review of the News & Observer
article and claims 16, 17, 18/16 and 19/16, it is our opinion
that an additional difference is the limitation that the
pasteurization apparatus is sterilized before the liquid whole
egg product is passed therethrough.
In applying the test for obviousness, we reach the
conclusion that it would have been further prima facie obvious
to one of ordinary skill in the art at the time the invention
was made to have modified the method disclosed by the News &
Observer article to have sterilized the pasteurization
apparatus before the liquid whole egg product is passed
therethrough as suggested and taught by Padley and/or the Egg
Pasteurization Manual for the self-evident advantages thereof
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