Appeal No. 1997-2188
Application 08/137,440
the specification into the claims for the purpose of narrowing
the scope of the claims.
The compound claims (claims 1 through 27) are directed to
a specific group of compounds. Because the compounds' basic
structure is fixed by the formula (I) in claim 1, the specific
group of compounds is defined solely by the substitutents R ,1
2 3 4
R , R and R located at the various positions found on the
compound depicted by formula (I) in claim 1 and also includes
the "pharmaceutically acceptable addition salts" thereof. The
terminology "pharmaceutically acceptable addition salts" is
conventional language used to describe well-known groups of
compounds (salts) prepared from various acids and the claimed
compounds. The salts are usually prepared for purposes of
solubility and bioavailability. See appellants' disclosure at
page 9, lines 4 through 7 for acids useful for preparing the
claimed salts.
Appellants' composition claim is a so-called "comprising"
claim and, as such, is directed to compositions including the
recited carrier and an acetylcholinesterase inhibiting amount
of the compounds defined by claim 1. The compositions are
open to the inclusion of compounds such as those described by
7
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