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
2004-05-11
2010-06-22
Zimmer, Marc S (Department: 1796)
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...
C528S059000, C528S044000, C528S060000, C528S066000, C528S073000, C528S080000, C528S081000, C528S084000, C528S085000, C524S590000, C524S591000, C524S839000, C524S840000
Reexamination Certificate
active
07741404
ABSTRACT:
The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having an essentially linear backbone and laterally attached solvent-solubilising side chains of a polyester, a polyether, a polyacrylate or a polyolefin including mixtures of such side chains.
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Richards Stuart Nicholas
Shooter Andrew James
Dunlap Thoburn T.
Frank Noah
Laferty Samuel B.
The Lubrizol Corporation
Zimmer Marc S
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