| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 12.99 |
| PATENT ASSIGNEE | PPG Industries Ohio Inc (Cleveland; Ohio) |
| PATENT CLAIMS |
Water soluble addition copolymer - N-Vinyl-2-pyrrolidinone - Acrylic functional polyether: CH2=CR-CO2-(EO)n-H; n 1-30 |
| PATENT PHOTOCOPY | Available on request |
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