Appeal No. 2003-0819
Application No. 09/872,928
The subject matter on appeal relates to: (i) a heat-curable
powder coating composition (claims 14-17 and 19-24); (ii) a
process for reducing the discoloration of heat-cured powder
coating compositions (claim 25-28); and (iii) a heat-cured film
(claims 29 and 30). Further details of this appealed subject
matter are recited in representative claims 14 and 25 reproduced
below:
14. A heat-curable powder coating composition
comprising
a) an epoxy resin, a polyester-hydroxyalkylamide,
a polyester-glycoluril, an epoxy-polyester resin, a
polyester-triglycidyl isocyanurate, a hydroxy-
functional polyester-blocked polyisocyanate, a
hydroxy-functional polyester-uretdione, an acrylate
resin with hardener or a mixture of such resins,
b) as stabilizer at least one compound of the
formula V
O
O
R9
H
R2 R10
R3 R5
R11
R7
R4
R8 (V)
in which
Zeren (paper 9). The examiner indicated that the amendment will
be entered for purposes of this appeal. (Advisory action mailed
Jul. 19, 2002.) As to the Zeren declaration, the examiner
appears to have entered this evidence as well. (Examiner’s
answer mailed Dec. 12, 2002, paper 15, p. 6).
2
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next
Last modified: November 3, 2007