Appeal No. 1998-2424
Application 08/515,269
this self-evident advantage, possessed by the Fortin
inexpensive, disposable beaker liner, it would have been
obvious to modify the process of the admitted prior art to
utilize an inexpensive and disposable beaker liner for the
advantage of eliminating cleaning of laboratory glassware. As
to appellant’s argument that the beaker of Fortin is not
bacteriologically impermeable, we certainly disagree. The
beakers therein disclosed have excellent biological property
and are disclosed as autoclaveable. In our
view, such a beaker must be considered bacteriologically
impermeable. We further note that claim 20 does not require
flexibility of the lining of step b.1
With respect to claim 21 as noted above, neither Frew nor
Boston discloses processing occurring in the lining of the
1 For autoclaveablity note column 27, lines 61 and 62.
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