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
2007-03-27
2007-03-27
Wu, David W. (Department: 1713)
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...
C524S386000, C524S423000, C524S570000
Reexamination Certificate
active
10845685
ABSTRACT:
High-solids binder combinations comprising polyisocyanates, special lactone-based polyols and polyacrylate-polyols, a process for preparing such binders, and their use for producing coatings.The lactone-based polyols include ε-caprolactone-based polyols having an average hydroxy functionality ≧2 and a number-average molecular weight of from 119 to 2000 g/mol. The polyacrylate resins are prepared by copolymerizing optionally functional polybutadienes, aromatic monomers, hydroxyalkyl esters of acrylic or methacrylic acid having primary hydroxyl groups, aliphatic esters of acrylic or methacrylic acid and C1to C8monoalcohols, α,β-unsaturated C3–C7monocarboxylic or dicarboxylic acids or of one or more monoesters of maleic acid or fumaric acid and C1to C14monoalchols.
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Klimmasch Thomas
Mechtel Markus
Tillack Jörg
Wamprecht Christian
Bayer MaterialScience AG
Gil Joseph C.
Klemz Robert S.
Sastri Satya
Wu David W.
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