Appeal No. 2006-1506 Page 2
Application No. 10/858,576
1. In a pressure-sensitive adhesive comprised of
emulsion polymerized units of (a) from 60 to 95 percent
by weight of at least one C alkyl acrylate; (b) from6-12
0 to 10 percent by weight of ethylenically unsaturated
compounds having a glass transition temperature of
above 0°C and contain no functional group other than an
ethylenically unsaturated groups (c) from 0 to 10
percent by weight of ethylenically unsaturated compound
having at least one acid or acid anhydride group; and
(d) from 0 to 20 percent by weight of further
ethylenically unsaturated compounds, weight percentages
based on the total weight of polymer, the improvement
which comprises forming said pressure-sensitive
adhesive by emulsion polymerization in the presence of
a styrene containing polymer seed latex, said styrene
containing polymer latex formed by emulsion
polymerization.
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Yang 5,013,784 May 07, 1991
Lu et al. (Lu) 6,048,611 Apr. 11, 2000
Claims 1-6 stand rejected under 35 U.S.C. § 102(b) as
anticipated by or, in the alternative, under 35 U.S.C. § 103(a)
as being unpatentable over Yang or Lu.
We refer to the brief and reply brief and to the answer for
a complete exposition of the opposing viewpoints expressed by
appellants and the examiner concerning the issues before us on
this appeal.
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