| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 12.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- -(-R-N=C=N-)n-; n = 2-20; wherein - R = -C6H4-O-C6H4-SO2-C6H4-O-C6H4- |
| PATENT PHOTOCOPY | Available on request |
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