Use of associative thickeners based on polyurethane and/or...

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

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Details

C524S376000, C524S591000, C524S839000, C524S840000

Reexamination Certificate

active

06900260

ABSTRACT:
Use of associative thickeners based on polyurethane and/or dipropylene glycol monoalkyl ethers for suppressing defects in color and/or effect multicoat paint systems, or their touch-up paints.

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Notice of Opposition from corresponding EP1218460.

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