Appeal No. 1996-0682
Application 08/127,121
of ordinary skill in this art would have been led to buffer
the Leander creams to a pH value as claimed, motivated by the
desire and a reasonable expectation of enhancing the efficacy
of the podophyllotoxin preparation. See the answer at page 4.
Evers discloses a pharmaceutical preparation for the
treatment of psoriasis with a carrier comprising coconut oil
and an emulsifier. See Evers at column 1, lines 15-17, 31-38.
(The examiner primarily cites Evers to teach the use of an
antioxidant, a limitation that appears exclusively in
independent claim 37, as a common component for preparations
directed to the treatment of psoriasis which “prevent
oxidative destruction” in the preparation. See the answer at
pages 3 and 4 and Evers at column 4, lines 15-29.) In our
view, one may reasonably imply from the relevant disclosures
in Evers that a person of ordinary skill in this art would
have had a reasonable expectation of success when using
fractionated coconut oil (i.e., the C and
8
C saturated acid glyceride components contained in coconut
10
oil) in Leander’s creams when treating patients suffering from
psoriasis.
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