Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Reexamination Certificate
2006-01-17
2006-01-17
Sergent, Rabon (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
C522S096000, C522S174000, C524S507000, C524S591000, C524S839000, C524S840000, C525S123000, C525S127000, C525S452000, C525S455000, C525S457000, C525S458000, C525S460000, C528S071000, C528S075000, C528S076000, C427S388400
Reexamination Certificate
active
06987135
ABSTRACT:
Photoactivatable water born coating composition comprisinga) a (meth)acryloyl-functional polyurethane dispersion, with the (meth)acryloyl-functional polyurethane comprising 5 to 18 wt. % of alkylene oxide groups while the (meth)acryloyl functionality is in the range of 2 to 40, andb) a UV-initiator.Preferably, the (meth)acryloyl-functional polyurethane comprises 8 to 18 wt. % of alkylene oxide groups. More preferably, the coating composition comprises a reactive diluent.The (meth)acryloyl-functional polyurethane is obtainable by reaction of:a) at least one organic polyisocyanate,b) optionally, at least one organic compound containing at least two isocyanate-reactive groups and having a number average molecular weight in the range of 400 to 6,000,c) at least one isocyanate-reactive and/or isocyanate-functional compound bearing non-ionic dispersing groups,d) at least one isocyanate-reactive (meth)acryloyl-functional compound,e) optionally, at least one active hydrogen-containing chain extender, andf) optionally, at least one active hydrogen-containing compound bearing ionic groups.The water born coating composition is especially suitable for application as a clear coat.
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Andringa Heert
Kruithof Klaas Jan Hendrik
Lindell Kjellqvist Ann Kerstin Birgitta
Noomen Arie
Rood Ignace Damiaan Christiaan
Akzo Nobel N.V.
Burke Michelle J.
McGillycuddy Joan M.
Sergent Rabon
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