Appeal No. 2000-2123
Application No. 09/029,637
10. A process for producing coating compositions
comprising: (a) providing a reactive diluent, (b)
providing an inert solvent, (c) providing a polymeric
polyol, (d) providing an isocyanate, (e) reacting (a)-(d)
in a reactive diluent comprising a ring opening product
of a carboxylic acid ester epoxide with a dihydric or
higher alcohol.
18. Coating compositions comprising:
a ring opening product of combining carboxylic acid
ester epoxide with dihydric or higher alcohol as a
reactive diluent;
polymeric polyol;
inert solvent; and
isocyanate.
The sole prior art reference relied upon by the examiner
is:
Noury et al. (Noury) 1,100,404 Jan. 24,
1968
(published Great Britain Patent Application)
The appealed claims stand rejected as follows:
1) Claims 10 through 33 stand rejected under 35 U.S.C.
§ 103 as unpatentable over the disclosure of Noury.
We reverse.
The examiner’s § 103 rejection is predicated upon
obviousness of using solvent in the solvent-free system
described in Noury. To establish obviousness, the examiner
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