Static structures (e.g. – buildings) – Specified wear or friction-type traffic-carrying surface
Reexamination Certificate
2008-02-06
2009-12-22
Chilcot, Jr., Richard E (Department: 3635)
Static structures (e.g., buildings)
Specified wear or friction-type traffic-carrying surface
C052S309100, C052S796100, C052SDIG016, C052S411000
Reexamination Certificate
active
07634877
ABSTRACT:
Pedestrian trafficable skid-resistant flexible articles are described. These articles include a flexible substrate having a non-skid coating comprising polymer units that degrade upon exposure to light and/or heat, preferably via chain scission. These articles may be applied to trafficable surfaces such as roof and floors. Articles in the form of roof underlayments having a skid-resistant surface are described in particular.
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Form PCT/ISA/210, International Search Report for International Application No. PCT/US2009/033009, dated Sep. 1, 2009, 3 pages.
Form PCT/ISA/237, Written Opinion of the International Searching Authority for International Application No. PCT/US2009/033009, dated Sep. 1, 2009, 3 pages.
Chilcot, Jr. Richard E
Leon Craig K.
Nguyen Chi Q
W. R. Grace & Co.—Conn.
Williams Stephan P.
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