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EP1583520
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EP About this file: EP1583520
| EP1583520 - PARTIALLY BIODEGRADABLE TEMPERATURE AND pH SENSITIVE HYDROGEL [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 21.08.2009 Database last updated on 08.10.2024 | Most recent event Tooltip | 21.08.2009 | Application deemed to be withdrawn | published on 23.09.2009 [2009/39] | Applicant(s) | For all designated states CORNELL RESEARCH FOUNDATION, INC. 20 Thornwood Drive, Suite 105 Ithaca, NY 14850 / US | [N/P] |
| Former [2005/41] | For all designated states CORNELL RESEARCH FOUNDATION, INC. 20 Thornwood Drive, Suite 105 Ithaca, NY 14850 / US | Inventor(s) | 01 /
CHU, CHIH-CHANG 14 Laura lane Ithaca, NY 14850-9874 / US | 02 /
ZHANG, Xian-Zheng, Wuhan University, Chemical Dept. Key Laboratory of Biomedical Polymers Ministry of Education, Wuhan 430072 / CN | [2007/04] |
| Former [2005/41] | 01 /
CHU, CHIH-CHANG 14 Laura lane Ithaca, NY 14850-9874 / US | ||
| 02 /
ZHANG, Xian-Zheng 412 Winston Court, Apt.2 Ithaca, NY 14850 / US | Representative(s) | Burford, Anthony Frederick Beck Greener Fulwood House 12 Fulwood Place London WC1V 6HR / GB | [N/P] |
| Former [2005/41] | Burford, Anthony Frederick Beck Greener Fulwood House 12 Fulwood Place London WC1V 6HR / GB | Application number, filing date | 03789739.4 | 03.12.2003 | [2005/41] | WO2003US35985 | Priority number, date | US20030440355P | 16.01.2003 Original published format: US 440355 P | [2005/41] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2004064816 | Date: | 05.08.2004 | Language: | EN | [2004/32] | Type: | A1 Application with search report | No.: | EP1583520 | Date: | 12.10.2005 | Language: | EN | The application published by WIPO in one of the EPO official languages on 05.08.2004 takes the place of the publication of the European patent application. | [2005/41] | Search report(s) | International search report - published on: | US | 05.08.2004 | (Supplementary) European search report - dispatched on: | EP | 23.04.2007 | Classification | IPC: | A61L27/50, A61L27/52 | [2008/44] | CPC: |
A61L27/20 (EP,US);
A61L27/52 (EP,US);
C08F220/56 (EP);
C08F222/16 (EP,US);
C08F251/00 (EP,US);
C08L51/02 (EP,US)
| C-Set: |
A61L27/20, C08L5/02 (EP,US);
C08L51/02, C08L2666/02 (US,EP) |
| Former IPC [2005/41] | A61K9/58, C08G63/08 | Designated contracting states | AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LI, LU, MC, NL, PT, RO, SE, SI, SK, TR [2005/41] | Extension states | AL | Not yet paid | LT | Not yet paid | LV | Not yet paid | MK | Not yet paid | Title | German: | TEILWEISE BIOLOGISCH ABBAUBARES TEMPERATUR- UND PH-EMPFINDLICHES HYDROGEL | [2005/41] | English: | PARTIALLY BIODEGRADABLE TEMPERATURE AND pH SENSITIVE HYDROGEL | [2005/41] | French: | HYDROGEL PARTIELLEMENT BIODÉGRADABLE SENSIBLE À LA TEMPÉRATURE ET AU PH | [2005/41] | Entry into regional phase | 30.06.2005 | National basic fee paid | 30.06.2005 | Search fee paid | 30.06.2005 | Designation fee(s) paid | 30.06.2005 | Examination fee paid | Examination procedure | 30.06.2005 | Amendment by applicant (claims and/or description) | 30.06.2005 | Examination requested [2005/41] | 22.02.2008 | Despatch of a communication from the examining division (Time limit: M04) | 13.05.2008 | Reply to a communication from the examining division | 10.10.2008 | Communication of intention to grant the patent | 21.02.2009 | Application deemed to be withdrawn, date of legal effect [2009/39] | 07.04.2009 | Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time [2009/39] | Fees paid | Renewal fee | 05.12.2005 | Renewal fee patent year 03 | 27.12.2006 | Renewal fee patent year 04 | 24.12.2007 | Renewal fee patent year 05 | 24.12.2008 | Renewal fee patent year 06 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [ ] - No further relevant documents disclosed | International search | [A]US6388047 (WON CHEE-YOUB [US], et al); | [A]US6476204 (KIM SIN-HEE [KR], et al); | [AE]US6583219 (WON CHEE-YOUB [US], et al) | Examination | - KURISAWA M.; YUI N., "Modulated degradation of dextran hydrogels grafted with poly(N-isopropylacrylamide-co-N,N-dimethylacrylamide) in response to temperature", MACROMOL. CHEM. PHYS., (1998), vol. 199, pages 2613 - 2618, XP000802232 | - ZHANG X.Z. ET AL, "Novel biodegradable and thermosensitive Dex-AI/PNIPAAm hydrogel", MACROMOL.BIOSCI., (2003), vol. 3, pages 87 - 91, XP001556116 | - KUMASHIRO Y. ET AL, "Modulatory factors on temperature-synchronized degradation of dextran grafted with thermoresponsive polymers and their hydrogels", BIOMACROMOLECULES, (2001), vol. 2, doi:10.1021/BM015527Y, pages 874 - 879, XP001556117 DOI: http://dx.doi.org/10.1021/BM015527Y | by applicant | US6476204 | - KURISAWA ET AL., MACROMOLECULAR CHEMISTRY AND PHYSICS, (1998), vol. 199, no. 11, pages 2613 - 2618 | - KUMASHIRO ET AL., BIOMACROMOLECULES, (2001), vol. 2, no. 3, pages 874 - 879 |