Organic compounds -- part of the class 532-570 series – Organic compounds – Fatty compounds having an acid moiety which contains the...
Reexamination Certificate
2008-09-02
2008-09-02
Nutter, Nathan M (Department: 1796)
Organic compounds -- part of the class 532-570 series
Organic compounds
Fatty compounds having an acid moiety which contains the...
C554S080000, C554S081000, C554S082000, C554S085000, C554S094000, C554S103000, C554S108000, C554S124000, C554S129000, C554S130000, C524S115000, C524S186000
Reexamination Certificate
active
11121425
ABSTRACT:
There are provided novel thermally stable surfactants for use with fillers in the preparation of polymer composites and nanocomposites. Typically, surfactants of the invention are urethanes, ureas or esters of thiocarbamic acid having a hydrocarbyl group of from 10 to 50 carbons and optionally including an ionizable or charged group (e.g., carboxyl group or quaternary amine). Thus, there are provided surfactants having Formula I:wherein the variables are as defined herein. Further provided are methods of making thermally stable surfactants and compositions, including composites and nanocomposites, using fillers coated with the surfactants.
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Nutter Nathan M
UChicago Argonne LLC
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