Appeal No. 1996-0214
Application 07/755,603
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 9-10). 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
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