Appeal 2007-0158
Application 10/415,202
2) In a first preferred embodiment, the coating material of the
invention is a one-component system in which all reactive components,
i.e., the epoxy resins and the polyamines, are present alongside one
another. In this embodiment, it is preferable to use exclusively epoxy
resins which are solid at room temperature and/or epoxy resin powder
coating materials (Specification 3:32-38).
3) In a second preferred embodiment, the coating material of the
invention is a multicomponent system, in particular a two-component
system, comprising (A) at least one polyamine-containing aqueous
dispersion or solution as curing component and (B) at least one epoxy
resin-containing aqueous dispersion as a binder component, the solid
epoxy resin and/or the epoxy resin powder coating material being
present in fine dispersion in the curing component (A) (Specification
4:1-10).
4) “For the multicomponent systems of the invention, the curing
component (A) and the binder component (B) are not mixed with one
another until shortly before application” (Specification 11:1-4).
5) According to the Specification,
Irrespective of whether the coating material of the
invention is a one-component system or a multicomponent
system, it comprises, based on its solids, the solid epoxy resin
and/or the epoxy resin powder coating material in an amount
which corresponds preferably to from 2 to 30, more preferably
from 3 to 25, and in particular from 4 to 20% by weight of
epoxy resin as reactive component. Specification 4:15-22.
6) The Specification further provides that:
Where the solid epoxy resin is used alone, it is present in the
coating material of the invention in an amount of from 2 to 30,
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