Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2007-07-24
2007-07-24
Smith, Duane (Department: 1724)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S501000, C524S458000, C524S460000, C524S520000, C524S546000, C524S832000, C524S833000, C525S055000, C525S450000, C525S451000, C525S452000, C526S075000, C526S078000, C526S319000, C526S325000, C523S201000
Reexamination Certificate
active
10485572
ABSTRACT:
Aqueous crosslinkable coating composition suitable for anti-graffiti and heavy duty applications comprising: (A) an aqueous polymer emulsion comprising at least one vinyl fluoropolymer which comprises as a polymerized constituent monomer thereof (i) a fluoromonomer(s) having the formula (1) wherein R1is CH3or H, R2is a per-fluorinated C1-5alkyl group and n is 1, 2, 3 or 4, (ii) a hydroxyl functional monomer(s) and (iii) a carboxylic acid-functional monomer(s) where the vinyl fluoropolymer has a glass transition temperature Tg within the range of from −50 to 90° C. and (B) at least one hydroxyl-reactive crosslinker material
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patent: 5346949 (1994-09-01), Fukazawa
patent: 5798406 (1998-08-01), Feret et al.
patent: 6395827 (2002-05-01), Pears et al.
patent: 2-41378 (1990-02-01), None
patent: 11-256070 (1999-09-01), None
Nabuurs Tijs
Overbeek Gerardus Cornelis
Scheerder Jurgen
DSM IP Assets B.V.
Morgan & Lewis & Bockius, LLP
Smith Duane
Wu Ives
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