Appeal No. 2004-2275
Application No. 09/444,968
CITED PRIOR ART
As evidence of unpatentability, the Examiner relies on the following
reference:
Ho 5,798,409 Aug. 25, 1998
Mayer et al. (Mayer) 6,309,707 Oct. 30, 2001
The Examiner rejected claims 1, 2, 4, 5 and 12 under 35 U.S.C.
§ 102(e) as anticipated by Ho; claims 1 to 3, 5 and 12 under 35 U.S.C.
§ 102(e) as anticipated by Mayer; and claim 3 under 35 U.S.C. § 103(a)
as unpatentable over Ho. (Answer pp. 4 to 6).
Appellants’ invention relates to a coating composition comprising a
hydroxy group-containing film forming polymer having a hydroxy value
between 75 and 300 mg KOH/g solid resin, a polyisocyanate compound,
and a diol. According to Appellants, the claimed invention exhibits good
thinnability, low VOC, good mixing properties and low application
viscosities. (Specification, p. 3). Claim 1, which is representative of the
claimed invention, appears below:
1. A coating composition comprising a hydroxy
group-containing film forming polymer with a hydroxy value
between 75 and 300 mg KOH/g solid resin, a polyisocyanate
compound, and a diol of the general formula
-2-
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