Appeal No. 2001-1879
Application No. 08/919,448
(i) applying to an exposed face of the workpiece a
composition comprising,
(a) a polymerisable material having at
least one constituent selected from each of
epoxy prepolymers, and urethane prepolymers;
(b) a monomer or prepolymer having at
least one active group adapted to form graft
polymerization linkages with the steel and
with the polymerizable material, selected
from the group consisting of hydroxyl,
carbonyl, carboxyl, esters of carboxyl,
amino, and epoxy;
(c) a catalytic initiator selected from
the group consisting of ions of iron, silver,
cobalt and copper; and
(d) a peroxide selected from the group
consisting of benzoyl peroxide, methyl
ethyl ketone peroxide, t-butyl hydroperoxide,
and hydrogen peroxide; and
(ii) curing the resulting workpiece.
The examiner relies upon the following references as
evidence of obviousness:
Hockensmith et al. (Hockensmith) 4,004,695 Jan. 25, 1977
Horowitz et al. (Horowitz ‘811) 4,105,811 Aug. 08, 1978
Horowitz et al. (Horowitz ‘955) 4,106,955 Aug. 15, 1978
Ferch De 3,803,866 Aug. 10, 1989
“Encyclopedia of Chemical Technology” 706-710,(4th ed.,
1993).
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