Appeal 2007-3386
Application 10/375,889
Appellants’ invention is directed to a non-pigmented ink. The ink
includes a carrier liquid, hollow micro-spheres, and a cross-linkable resin
binder composition. The ink is disclosed as being heat resistant. Claim 1 is
illustrative and reproduced below:
1. A non-pigmented heat resistant ink comprising:
(a) a carrier liquid;
(b) hollow micro-sphere polymer particles having a
particle size of between 0.2 to 1.5 micron, characterized in that said
hollow micro-sphere polymer particles are cross-linked at a level of
from at least 2 mole percent based on total mole of monomer used in
the particle; and
(c) a crosslinkable resin binder composition consisting of
copolymers selected from the group of monomers, in polymerized
form, of (meth) acrylic acid esters, acrylonitrile, acrylamide, itaconic
acid, n-methylolacrylamide, and mixtures thereof.
The Examiner relies on the following prior art references as evidence
in rejecting the appealed claims:
Ohta US 4,597,794 Jul. 1, 1986
Mead1 US 5,596,027 Jan. 21, 1997
Fukushima JP 2001-131450 May 15, 2001
Claims 1, 3-8, and 11 stand rejected under 35 U.S.C. § 112, first
paragraph as lacking written descriptive support in the Specification, as
1 The failure to list Mead as evidence being relied upon by the Examiner in
the Answer (Item No. 8) represents a harmless oversight as Mead in
included in the statement of the rejection of claim 6 and Appellants
recognized Mead was being relied upon in the rejection of claim 6 (Answer
6; Br. 5).
2
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