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Legal status
Patent not validated
| (51) | INT.CL. | A61K 47/60 | |
| C08G 65/329 | |||
| C08G 65/337 | |||
| C08G 65/34 |
| (11) | Number of the document | 2604282 |
| (13) | Kind of document | T |
| (96) | European patent application number | 12192296.7 |
| Date of filing the European patent application | 2004-12-16 | |
| (97) | Date of publication of the European application | 2013-06-19 |
| (45) | Date of publication and mention of the grant of the patent | 2019-06-19 |
| (46) | Date of publication of the claims translation |
| (30) | Number | Date | Country code |
| 530122 P | 2003-12-16 | US |
| (72) |
Bentley, Michael D., US
Viegas, Tacey X., US
Goodin, Richard R., US
Cheng, Lin, US
Zhao, Xuan, CN
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| (73) |
Nektar Therapeutics,
455 Mission Bay Boulevard South, Suite 100, San Francisco, CA 94158,
US
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| (54) | Method for preparing of monodisperse oligo ethylene glycol |
| Method for preparing of monodisperse oligo ethylene glycol |