| PATENT ASSIGNEE'S COUNTRY | Germany |
| UPDATE | 11.00 |
| PATENT ASSIGNEE | BASF AG |
| PATENT CLAIMS |
(a) Homopolymer of N-vinylcaprolactam (0.5-20%) (b) Acrylate copolymer (0.5-20%) comprising as comonomers N-tert. butylacrylamide or octacrylamide |
| PATENT PHOTOCOPY | Available on request |
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