Method for producing (poly-C2-C4 alkylene...

Details Method for producing (poly-C2-C4 alkylene... Method for producing (poly-C2-C4 alkylene...

2005-09-02

2009-12-08

Wu, David (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...

C524S556000, C526S319000, C526S320000, C526S328500, C560S224000, C568S616000

Reexamination Certificate

active

07629411

ABSTRACT:
A process for preparing poly-C2-C4-alkylene glycol mono(meth)acrylic acid esters by reacting (meth)acrylic anhydride with a poly-C2-C4-alkylene glycol carrying at least one OH group in the presence of abase having a solubility in the poly-C2-C4-alkylene glycol of not more than 10 g/l at 90° C.

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U.S. Appl. No. 12/092,586, filed May 5, 2008, Becker et al.

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