Stock material or miscellaneous articles – Composite – Of silicon containing
Reexamination Certificate
2006-08-30
2010-06-08
Gulakowski, Randy (Department: 1796)
Stock material or miscellaneous articles
Composite
Of silicon containing
C528S028000, C528S029000
Reexamination Certificate
active
07732055
ABSTRACT:
The present invention relates to two-component compositions containingA) hydroxyl-containing polydimethylsiloxanes having number average molecular weights of 400 to 3000 and an average OH functionality of ≧1.8, and containing at least one structural unit of formula I)whereinR is an aliphatic, linear or branched C1to C20radical,R1is a linear or branched hydroxyalkyl radical having 2 to 10 carbon atoms andR2is either hydrogen or a linear or branched hydroxyalkyl radical having 2 to 10 carbon atoms,B) polyhydroxyl compounds other than A) or polyamines, andC) polyisocyanates.The present invention also relates to coatings, adhesives or sealants obtained from these compositions.
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Niesten Meike
Tillack Jörg
Bayer MaterialScience AG
Connolly Bove & Lodge & Hutz LLP
Gulakowski Randy
Loewe Robert
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