blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

Latvia joins the Federated Register
Click here for more information on the Federated Register.

2025-04-16

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP0968216

EP0968216 - PHOSPHINE LIGANDS WITH AMINO ACID GROUPS, METHOD FOR THEIR PRODUCTION AND USE THEREOF AS CATALYST COMPONENTS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.08.2003
Database last updated on 10.05.2025
Most recent event   Tooltip07.03.2008Lapse of the patent in a contracting state
New state(s): IT		published on 09.04.2008  [2008/15]
Applicant(s)For all designated states
Celanese Chemicals Europe GmbH
Lurgiallee 14
60439 Frankfurt am Main / DE
[2000/04]
Former [2000/01]For all designated states
Celanese GmbH
Lurgiallee 14
60439 Frankfurt / DE
Inventor(s)01 / STELZER, Othmar
Auf der Kante 67
D-42349 Wuppertal / DE
02 / TEPPER, Michael
Marienstrasse 102
D-42105 Wuppertal / DE
[2000/01]
Application number, filing date98905389.703.02.1998
[2000/01]
WO1998EP00555
Priority number, dateDE199710449107.02.1997         Original published format: DE 19704491
[2000/01]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report
No.:WO9834939
Date:13.08.1998
Language:DE
[1998/32]
Type: A2 Application without search report 
No.:EP0968216
Date:05.01.2000
Language:DE
The application published by WIPO in one of the EPO official languages on 13.08.1998 takes the place of the publication of the European patent application.
[2000/01]
Type: B1 Patent specification 
No.:EP0968216
Date:16.10.2002
Language:DE
[2002/42]
Search report(s)International search report - published on:EP19.11.1998
ClassificationIPC:C07F9/02
[2000/01]
CPC:
C07F9/5022 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   NL,   PT,   SE [2000/01]
TitleGerman:PHOSPHIN-LIGANDEN MIT AMINOSÄUREGRUPPEN, EIN VERFAHREN ZU IHRER HERSTELLUNG SOWIE IHRE VERWENDUNG ALS KATALYSATORBESTANDTEILE[2000/01]
English:PHOSPHINE LIGANDS WITH AMINO ACID GROUPS, METHOD FOR THEIR PRODUCTION AND USE THEREOF AS CATALYST COMPONENTS[2000/01]
French:LIGANDS PHOSPHINE A GROUPES AMINOACIDES, LEUR PROCEDE DE FABRICATION ET LEUR UTILISATION COMME CONSTITUANTS DE CATALYSEURS[2000/01]
Entry into regional phase07.09.1999National basic fee paid 
07.09.1999Designation fee(s) paid 
07.09.1999Examination fee paid 
Examination procedure27.08.1998Request for preliminary examination filed
International Preliminary Examining Authority: EP
07.09.1999Examination requested  [2000/01]
18.05.2001Despatch of a communication from the examining division (Time limit: M04)
07.07.2001Reply to a communication from the examining division
26.07.2001Despatch of a communication from the examining division (Time limit: M04)
16.10.2001Reply to a communication from the examining division
08.03.2002Despatch of communication of intention to grant (Approval: No)
30.03.2002Despatch of communication of intention to grant (Approval: later approval)
23.04.2002Communication of intention to grant the patent
05.08.2002Fee for grant paid
05.08.2002Fee for publishing/printing paid
Opposition(s)17.07.2003No opposition filed within time limit [2003/41]
Fees paidRenewal fee
29.02.2000Renewal fee patent year 03
28.02.2001Renewal fee patent year 04
28.02.2002Renewal fee patent year 05
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  TooltipFI16.10.2002
GR16.10.2002
IE16.10.2002
IT16.10.2002
DK16.01.2003
PT16.01.2003
SE16.01.2003
AT03.02.2003
LU03.02.2003
BE28.02.2003
ES29.04.2003
[2008/15]
Former [2007/17]FI16.10.2002
GR16.10.2002
IE16.10.2002
DK16.01.2003
PT16.01.2003
SE16.01.2003
AT03.02.2003
LU03.02.2003
BE28.02.2003
ES29.04.2003
Former [2004/39]FI16.10.2002
GR16.10.2002
IE16.10.2002
PT16.01.2003
SE16.01.2003
AT03.02.2003
LU03.02.2003
BE28.02.2003
ES29.04.2003
Former [2004/31]FI16.10.2002
GR16.10.2002
IE16.10.2002
PT16.01.2003
SE16.01.2003
AT03.02.2003
BE28.02.2003
ES29.04.2003
Former [2004/28]FI16.10.2002
GR16.10.2002
IE16.10.2002
PT16.01.2003
SE16.01.2003
BE28.02.2003
ES29.04.2003
Former [2004/04]FI16.10.2002
GR16.10.2002
IE16.10.2002
PT16.01.2003
SE16.01.2003
ES29.04.2003
Former [2003/43]FI16.10.2002
GR16.10.2002
IE16.10.2002
PT16.01.2003
SE16.01.2003
Former [2003/42]GR16.10.2002
IE16.10.2002
PT16.01.2003
SE16.01.2003
Former [2003/31]GR16.10.2002
PT16.01.2003
SE16.01.2003
Former [2003/29]PT16.01.2003
SE16.01.2003
Former [2003/27]SE16.01.2003
Cited inInternational search[PX]  - Michael Tepper et al, "A Systematic Synthetic Approach to Phosphinophenyl-glycine and-alanine Chiral Phosphine Ligands with Amino Acid Moieties", Tetrahedron Letters, (199703), vol. 38, no. 13, doi:doi:10.1016/S0040-4039(97)00335-3, XP004056644 [PX] 1-7

DOI:   http://dx.doi.org/10.1016/S0040-4039(97)00335-3
 [A]  - GILBERTSON S. R., ET AL., "PALLADIUM-CATALYZED SYNTHESIS OF PHOSPHINE-CONTAINING AMINO ACIDS.", The Journal of Organic Chemistry, American Chemical Society, US, US, (19960101), doi:10.1021/jo960077z, ISSN 0022-3263, page 2922/2923., XP002900184 [A] 1-7

DOI:   http://dx.doi.org/10.1021/jo960077z
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.