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Legal status
Patent not validated
| (51) | INT.CL. | C08G 65/329 | |
| C08G 65/333 | |||
| C08G 18/79 |
| (11) | Number of the document | 1988912 |
| (13) | Kind of document | T |
| (96) | European patent application number | 07709982.8 |
| Date of filing the European patent application | 2007-01-08 | |
| (97) | Date of publication of the European application | 2008-11-12 |
| (45) | Date of publication and mention of the grant of the patent | 2012-10-17 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2007/060205 |
| Date | 2007-01-08 |
| (87) | Number | WO 2007/084808 |
| Date | 2007-07-26 |
| (30) | Number | Date | Country code |
| 333072 | 2006-01-17 | US |
| (72) |
ZHAO, Hong, US
WU, Dechun, US
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| (73) |
Enzon Pharmaceuticals, Inc.,
685 Route 202/206, Bridgewater, New Jersey 08807,
US
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| (54) | METHODS OF PREPARING ACTIVATED POLYMERS HAVING ALPHA NITROGEN GROUPS |
| METHODS OF PREPARING ACTIVATED POLYMERS HAVING ALPHA NITROGEN GROUPS |