Appeal 2007-2485
Application 10/142,750
Appellants’ invention relates to a fuel additive containing an alkylene-
oxide-adducted hydrocarbyl amide. According to Appellants, the alkylene-
oxide-adducted hydrocarbyl amide is useful in a method for improving the
acceleration response and the driving performance of internal combustion
engines when used as fuel additives in hydrocarbon-based fuels, such as
gasoline fuel (Specification 3-4). Representative independent claim 25, as
presented in the Brief, appears below:
25. A method of improving the acceleration performance of gasoline
automobile engines comprising additizing a fuel additive comprising an
alkylene-oxide adducted hydrocarbyl amide having from 3 to 50 moles of
alkylene oxide per mole of hydrocarbyl amide to a gasoline and operating
said engine with said gasoline.
The Examiner relies on the following reference in rejecting the
appealed subject matter:
Lin WO 98/16599 Apr. 23, 1998
Claims 25-34 stand rejected under 35 U.S.C. § 102(b) as anticipated
by Lin.1
Anticipation under 35 U.S.C. § 102 requires that a prior art reference
describe each and every limitation of a claimed invention with “sufficient
1 In rendering this decision, we have considered Appellants’ position
presented in the Brief filed August 8, 2006. Appellants have asserted that
the claims will stand or fall together. We select claim 25 as representative of
the rejected claims and will limit our discussion thereto.
2
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