Aqueous stable complex of a strongly swellable, moderately cross

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525356, 525357, 526258, 526264, 524 80, C08F 822, C08F 2610

Patent

active

052429857

ABSTRACT:
What is described herein is a PVP-I.sub.2 composition comprising strongly swellable, lightly crosslinked PVP complex to iodine, wherein said composition is capable of releasing free iodine slowly with time in the presence of water. Preferably the complex has about 10-15% by weight available iodine and about 4-8 weight % iodide, and is a free-flowing, fine, lightly yellow powder.

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patent: 4320114 (1982-03-01), Denzinger et al.
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patent: 4851543 (1989-07-01), Barabas
patent: 4954351 (1990-09-01), Sackler et al.
patent: 5073614 (1991-12-01), Shih et al.

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