Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2005-04-19
2005-04-19
Seidleck, James J. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S192000, C525S193000, C525S194000, C525S096000, C525S098000, C524S599000, C524S606000, C524S608000
Reexamination Certificate
active
06881791
ABSTRACT:
A curable, water-based coating composition comprising a reaction product of: a copolymer comprising a free-radical polymerization product of: a first block comprising a reaction product of: a plurality of ethylenically unsaturated monomers, and a vinyl aromatic hydrocarbon monomer, wherein at least one monomer of the plurality of ethylenically unsaturated monomers includes a functional group that can react with a water-dispersible cross-linking agent, and at least one monomer of the plurality of ethylenically unsaturated monomers is present in an amount such that it can render the copolymer water dispersible, and a second block comprising a reaction product of at least one ethylenically unsaturated monomer, wherein at least a portion of which are non-functional, and a water-dispersible cross-linking agent, wherein the water-based copolymer is free of salt structures.
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Bremser Wolfgang
Harris Paul
Ohrbom Walter H.
Ramesh Swaminathan
Asinovsky Olga
BASF Corporation
Seidleck James J.
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