| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 07.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Poly(4-vinylpyridine) Na carboxymethyl betaine chloride with MW 5,000 - 1,000,000 prepd by reaction of - Na chloroacetate with - Poly(4-vinylpyridine) |
| PATENT PHOTOCOPY | Available on request |
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