Appeal No. 2002-0229 2
Application No. 08/619,976
THE INVENTION
The invention is directed to an article having a label marked with a laser over part
of the surface. The article has a surface comprising polytetrafluoroethylene (PTFE), a
titanium oxide pigment and an organic polymer selected from the group consisting of
arylene sulfide polymers, polyaryl sulfones, and polyetherketones. Additional limitations
are described in the following illustrative claims.
THE CLAIMS
Claim12 is illustrative of appellant’ invention and is reproduced below.
12. A marked article, comprising:
an article with a surface comprising a composition comprising:
A) PTFE;
B) 0.01 to 5 wt.% of at least one titanium oxide pigment; and
C) 0.1 to 5 wt% of at least one organic polymer selected from the group
consisting of arylene sulfide polymers, polyarylsulfones and polyerketones,
wherein said surface of said article has label marked with a laser over less than an
entire surface of said composition.
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