| EP2344448 - FLUOROALKYL ETHER SULFONATE SURFACTANTS [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.01.2014 Database last updated on 11.04.2026 | Most recent event Tooltip | 04.09.2015 | Lapse of the patent in a contracting state New state(s): MT | published on 07.10.2015 [2015/41] | Applicant(s) | For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US | [2011/29] | Inventor(s) | 01 /
PENG, Sheng 549 Cabot Drive Hockessin Delaware 19707 / US | 02 /
HUNG, Ming-Hong 601 Andover Road Wilmington Delaware 19803 / US | 03 /
JUNK, Christopher, P. 1404 N. Harrison Street Wilmington Delaware 19806 / US | 04 /
TANG, Phan, Linh 133 Sidesaddle Place West Chester Pennsylvania 19382 / US | [2011/29] | Representative(s) | Heinemann, Monica, et al Abitz & Partner Patentanwälte mbB Postfach 86 01 09 81628 München / DE | [N/P] |
| Former [2013/29] | Heinemann, Monica, et al Abitz & Partner Patentanwälte Postfach 86 01 09 81628 München / DE | ||
| Former [2011/29] | Heinemann, Monica, et al Abitz & Partner Patentanwälte Hörselbergstrasse 5 81677 München / DE | Application number, filing date | 09756887.7 | 11.11.2009 | [2011/29] | WO2009US63966 | Priority number, date | US20080270120 | 13.11.2008 Original published format: US 270120 | [2011/29] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2010056699 | Date: | 20.05.2010 | Language: | EN | [2010/20] | Type: | A1 Application with search report | No.: | EP2344448 | Date: | 20.07.2011 | Language: | EN | The application published by WIPO in one of the EPO official languages on 20.05.2010 takes the place of the publication of the European patent application. | [2011/29] | Type: | B1 Patent specification | No.: | EP2344448 | Date: | 20.03.2013 | Language: | EN | [2013/12] | Search report(s) | International search report - published on: | EP | 20.05.2010 | Classification | IPC: | C07C309/10, A61K8/46, A61Q19/00, C08F214/18, C11D1/00 | [2012/43] | CPC: |
C07C309/10 (EP,KR,US);
A61K8/466 (EP,US);
A61Q19/00 (EP,US);
C08F14/18 (KR);
C08F214/18 (EP,US);
C11D1/004 (EP,US);
C11D1/14 (KR)
(-)
|
| Former IPC [2011/29] | C07C309/10, C08F14/18, C11D1/14 | Designated contracting states | AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, TR [2011/29] | Extension states | AL | Not yet paid | BA | Not yet paid | RS | Not yet paid | Title | German: | FLUORALKYLETHERSULFONATTENSIDE | [2011/29] | English: | FLUOROALKYL ETHER SULFONATE SURFACTANTS | [2011/29] | French: | TENSIOACTIFS DE TYPE FLUOROALKYL-ÉTHER-SULFONATE | [2011/29] | Entry into regional phase | 28.03.2011 | National basic fee paid | 28.03.2011 | Designation fee(s) paid | 28.03.2011 | Examination fee paid | Examination procedure | 07.09.2010 | Request for preliminary examination filed International Preliminary Examining Authority: EP | 28.03.2011 | Examination requested [2011/29] | 26.01.2012 | Amendment by applicant (claims and/or description) | 02.10.2012 | Communication of intention to grant the patent | 24.01.2013 | Fee for grant paid | 24.01.2013 | Fee for publishing/printing paid | Divisional application(s) | The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is 02.10.2012 | Opposition(s) | 02.01.2014 | No opposition filed within time limit [2014/09] | Fees paid | Renewal fee | 14.11.2011 | Renewal fee patent year 03 | 13.11.2012 | Renewal fee patent year 04 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Lapses during opposition Tooltip | HU | 11.11.2009 | AT | 20.03.2013 | BE | 20.03.2013 | CY | 20.03.2013 | CZ | 20.03.2013 | DK | 20.03.2013 | EE | 20.03.2013 | FI | 20.03.2013 | HR | 20.03.2013 | IT | 20.03.2013 | LT | 20.03.2013 | LV | 20.03.2013 | MC | 20.03.2013 | MK | 20.03.2013 | MT | 20.03.2013 | NL | 20.03.2013 | PL | 20.03.2013 | RO | 20.03.2013 | SE | 20.03.2013 | SI | 20.03.2013 | SK | 20.03.2013 | SM | 20.03.2013 | TR | 20.03.2013 | BG | 20.06.2013 | NO | 20.06.2013 | GR | 21.06.2013 | ES | 01.07.2013 | IS | 20.07.2013 | PT | 22.07.2013 | GB | 11.11.2013 | IE | 11.11.2013 | LU | 11.11.2013 | CH | 30.11.2013 | LI | 30.11.2013 | FR | 02.12.2013 | [2015/41] |
| Former [2015/34] | HU | 11.11.2009 | |
| AT | 20.03.2013 | ||
| BE | 20.03.2013 | ||
| CY | 20.03.2013 | ||
| CZ | 20.03.2013 | ||
| DK | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| IT | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| MC | 20.03.2013 | ||
| MK | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| PL | 20.03.2013 | ||
| RO | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| SK | 20.03.2013 | ||
| SM | 20.03.2013 | ||
| TR | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| GB | 11.11.2013 | ||
| IE | 11.11.2013 | ||
| LU | 11.11.2013 | ||
| CH | 30.11.2013 | ||
| LI | 30.11.2013 | ||
| FR | 02.12.2013 | ||
| Former [2015/32] | AT | 20.03.2013 | |
| BE | 20.03.2013 | ||
| CY | 20.03.2013 | ||
| CZ | 20.03.2013 | ||
| DK | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| IT | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| MC | 20.03.2013 | ||
| MK | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| PL | 20.03.2013 | ||
| RO | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| SK | 20.03.2013 | ||
| SM | 20.03.2013 | ||
| TR | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| GB | 11.11.2013 | ||
| IE | 11.11.2013 | ||
| CH | 30.11.2013 | ||
| LI | 30.11.2013 | ||
| FR | 02.12.2013 | ||
| Former [2015/24] | AT | 20.03.2013 | |
| BE | 20.03.2013 | ||
| CY | 20.03.2013 | ||
| CZ | 20.03.2013 | ||
| DK | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| IT | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| MC | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| PL | 20.03.2013 | ||
| RO | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| SK | 20.03.2013 | ||
| SM | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| GB | 11.11.2013 | ||
| IE | 11.11.2013 | ||
| CH | 30.11.2013 | ||
| LI | 30.11.2013 | ||
| FR | 02.12.2013 | ||
| Former [2014/51] | AT | 20.03.2013 | |
| BE | 20.03.2013 | ||
| CY | 20.03.2013 | ||
| CZ | 20.03.2013 | ||
| DK | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| IT | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| MC | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| PL | 20.03.2013 | ||
| RO | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| SK | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| GB | 11.11.2013 | ||
| IE | 11.11.2013 | ||
| CH | 30.11.2013 | ||
| LI | 30.11.2013 | ||
| FR | 02.12.2013 | ||
| Former [2014/48] | AT | 20.03.2013 | |
| BE | 20.03.2013 | ||
| CY | 20.03.2013 | ||
| CZ | 20.03.2013 | ||
| DK | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| IT | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| MC | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| PL | 20.03.2013 | ||
| RO | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| SK | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| IE | 11.11.2013 | ||
| CH | 30.11.2013 | ||
| LI | 30.11.2013 | ||
| Former [2014/34] | AT | 20.03.2013 | |
| BE | 20.03.2013 | ||
| CY | 20.03.2013 | ||
| CZ | 20.03.2013 | ||
| DK | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| IT | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| MC | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| PL | 20.03.2013 | ||
| RO | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| SK | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| CH | 30.11.2013 | ||
| LI | 30.11.2013 | ||
| Former [2014/33] | AT | 20.03.2013 | |
| BE | 20.03.2013 | ||
| CY | 20.03.2013 | ||
| CZ | 20.03.2013 | ||
| DK | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| IT | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| MC | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| PL | 20.03.2013 | ||
| RO | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| SK | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| Former [2014/11] | AT | 20.03.2013 | |
| BE | 20.03.2013 | ||
| CY | 20.03.2013 | ||
| CZ | 20.03.2013 | ||
| DK | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| IT | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| PL | 20.03.2013 | ||
| RO | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| SK | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| Former [2014/09] | AT | 20.03.2013 | |
| BE | 20.03.2013 | ||
| CY | 20.03.2013 | ||
| CZ | 20.03.2013 | ||
| DK | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| PL | 20.03.2013 | ||
| RO | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| SK | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| Former [2013/52] | AT | 20.03.2013 | |
| BE | 20.03.2013 | ||
| CY | 20.03.2013 | ||
| CZ | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| PL | 20.03.2013 | ||
| RO | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| SK | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| Former [2013/50] | AT | 20.03.2013 | |
| BE | 20.03.2013 | ||
| CZ | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| PL | 20.03.2013 | ||
| RO | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| SK | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| Former [2013/49] | AT | 20.03.2013 | |
| BE | 20.03.2013 | ||
| CZ | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| RO | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| SK | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| Former [2013/48] | AT | 20.03.2013 | |
| BE | 20.03.2013 | ||
| EE | 20.03.2013 | ||
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| NL | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| IS | 20.07.2013 | ||
| PT | 22.07.2013 | ||
| Former [2013/47] | BE | 20.03.2013 | |
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| PT | 22.07.2013 | ||
| Former [2013/44] | BE | 20.03.2013 | |
| FI | 20.03.2013 | ||
| HR | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| Former [2013/41] | FI | 20.03.2013 | |
| HR | 20.03.2013 | ||
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| Former [2013/38] | FI | 20.03.2013 | |
| LT | 20.03.2013 | ||
| LV | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| Former [2013/37] | FI | 20.03.2013 | |
| LT | 20.03.2013 | ||
| SE | 20.03.2013 | ||
| SI | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| GR | 21.06.2013 | ||
| ES | 01.07.2013 | ||
| Former [2013/36] | LT | 20.03.2013 | |
| SE | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| ES | 01.07.2013 | ||
| Former [2013/34] | LT | 20.03.2013 | |
| SE | 20.03.2013 | ||
| BG | 20.06.2013 | ||
| NO | 20.06.2013 | ||
| Former [2013/33] | LT | 20.03.2013 | |
| NO | 20.06.2013 | Cited in | International search | [XI] CHUN ZHOU, ET AL.: "Chemical durability studies of perfluorinated sulphonic acid polymers and model compounds under mimic fuel cell conditions", MACROMOLECULES, vol. 40, no. 24, 2 November 2007 (2007-11-02), AMERICAN CHEMICAL SOCIETY, WASHINGTON, DC, US, pages 8695 - 8707, XP002568454, ISSN: 0024-9297 [I] 11 DOI: http://dx.doi.org/1.1021/MA071603Z | [X] WENBIAO CEN, ET AL.: "1,1,2,2-Tetrafluoro-2-(polyfluoroalkoxy)- ethanesulphonic acids, 1,1,2,2-tetrafluoro- 2-(perfluoroalkoxy)ethanesulphonic acids, and 2,2'-oxybis(1,1,2,2-tetrafluoroethanesulphonic acid)", INORGANIC CHEMISTRY, vol. 27, no. 8, 1 January 1988 (1988-01-01), AMERICAN CHEMICAL SOCIETY, WASHINGTON, DC, US, pages 1376 - 1377, XP000884712, ISSN: 0020-1669 DOI: http://dx.doi.org/10.1021/ic00281a014 |