Polymer compound and recording medium

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

C346S135100, C428S032100, C428S032150, C428S032260, C428S032340, C428S032350, C428S032370, C428S423100, C428S425100, C528S044000, C528S071000, C528S076000, C528S077000, C528S085000, C524S589000, C524S590000, C524S839000, C524S840000

Reexamination Certificate

active

07601779

ABSTRACT:
A polymer compound comprises a unit composed of a sulfur-containing compound (A) having at least two active hydrogen groups, a unit composed of a compound (B) having at least two isocyanate groups and a unit composed of an amine compound (C) having at least two active hydrogen groups, and having an average particle size of 200 nm or smaller. The polymer compound can be used in a recording medium.

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