Reversible crosslinked polymers, benzylic hydroxyl...

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

Reexamination Certificate

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C528S085000, C528S045000

Reexamination Certificate

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06989466

ABSTRACT:
A polymer having a crosslinked structure made from a polyol and an isocyanate where the crosslinks contain urethane and/or ester bonds made from the reaction of a benzylic hydroxyl group and an isocyanate group.

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