Appeal No. 95-5126
Application No. 08/045,675
As evidence of obviousness of the subject matter defined
by independent claim 14, the examiner primarily relies on the
Barber and the Papay references. The Barber reference is
directed to a gear lubricant composition. See column 1, lines
4-6. The gear lubricant composition comprises (a) up to a
major amount of a lubricant (see column 1, lines 51 and column
2, line 38 to column 3, line 12); (b) 1 to 20 % by weight of
at least one organic sulfur-containing antiwear and/or extreme
pressure agent having a sulfur content of at least 20% by
weight based on the weight of the antiwear and/or extreme
pressure agent (see column 1, lines 51-53 and column 3, lines
13-34); 0.25 to 15%, desirably 0.05 to
1.5%, by weight of at least one succinimide derivative
friction modifier corresponding to the claimed 3-hydrocarbyl-
2,
5-diketopyrrolidine (compare Barber, column 1, lines 54-65 and
column 6, lines 26 to 65, with appellants’ specification, page
9); (d) at least one ashless dispersant (compare Barber,
column 5 with appellants’ specification, pages 6-9); and (e)
at least one additional friction modifier, such as alkyl or
alkenyl phosphonate (see Barber, column 6, lines 15-19). The
5
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