Appeal No. 1997-2010
Application No. 08/332,671
According to appellants, the invention is directed to a
process for the synthesis of a hydrocarbyl bis(dihydrocarbyl
phosphate) by the reaction of an unstable hydrocarbyl-
containing diol with a dihydrocarbyl halophosphate in the
presence of a Lewis acid catalyst where the removal of
hydrogen halide by-product is enhanced by the presence of an
effective amount of a liquid hydrocarbon (Brief, page 2).
Claim 1 is illustrative of the subject matter on appeal and is
attached as an Appendix to this decision.
The Reference
The examiner has relied upon the following reference as
evidence of obviousness:
Nichols 3,642,959 Feb. 15, 1972
The Rejection
Claims 1 through 12 stand rejected under 35 U.S.C. § 103
as unpatentable over Nichols (Answer, page 3, referring to
Paper Nos. 5 and 7).
Opinion
After careful consideration of the record, including the
opposing arguments in the examiner’s Answer and appellants’
2
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