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
2011-05-10
2011-05-10
Niland, Patrick D (Department: 1762)
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...
C428S423100, C524S589000, C528S044000, C528S045000, C528S067000, C528S085000
Reexamination Certificate
active
07939598
ABSTRACT:
The present invention relates to innovative polyisocyanate mixtures comprising cycloaliphatic structural elements and containing exclusively linear-aliphatically attached free isocyanate groups, to a process for preparing them and to their use as a starting component in the production of polyurethane plastics, more particularly as a crosslinker component in polyurethane coating materials and coatings.
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U. Meier-Westhues, Polyurethane-Lacke, Kleb—und Dichtstoffe, Vincentz Network, 2007, p. 166.
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Ehlers Michael
Halpaap Reinhard
Hertrampf Reinhard
Laas Hans-Josef
Mager Dieter
Bayer MaterialScience AG
Cheung Noland J.
Klemz Robert S.
Niland Patrick D
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