Appeal No. 1998-1213
Application 08/450,506
functionality ratio of from about 1.05 to 1.25 dicarboxylic
acid producing moieties per molecule of olefin polymer used in
the reaction. The “used in the reaction” phrase indicates
that the functionality ratio is based on the total of both the
reacted and unreacted polyolefin (specification, page 8, lines
17-22). Meinhardt’s acylating agent has within its structure
an average of at least 1.3 succinic groups for each equivalent
weight of substituent group, wherein the substituent group is
derived from a polyalkylene (col. 3, lines 52-61; col. 4,
lines 18-20).
Appellants argue that Meinhardt’s ratio, like appellants’
ratio, is a functionality ratio, rather than being a
succination
ratio, and is different in quantity than appellants’
functionality ratio (brief, pages 5-6). A succination ratio
differs from appellants’ functionality ratio in that the
succination ratio is based upon only the reacted polymer,
i.e., that which is substituted with succinic groups (brief,
5
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