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Extract from the Register of European Patents

EP About this file: EP0481370

EP0481370 - Use of phosphonic acid diglycidylesters as cross-linking agent in hydrogels [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.01.1997
Database last updated on 02.08.2024
Most recent event   Tooltip07.12.2007Lapse of the patent in a contracting state
Updated state(s): FR		published on 09.01.2008  [2008/02]
Applicant(s)For all designated states
HOECHST AKTIENGESELLSCHAFT
65926 Frankfurt am Main / DE
[N/P]
Former [1995/49]For all designated states
HOECHST AKTIENGESELLSCHAFT
D-65926 Frankfurt am Main / DE
Former [1995/01]For all designated states
CASSELLA Aktiengesellschaft
Hanauer Landstrasse 526
D-60386 Frankfurt / DE
Former [1992/17]For all designated states
CASSELLA Aktiengesellschaft
Hanauer Landstrasse 526
D-60386 Frankfurt / DE
Inventor(s)01 / Engelhardt, Fritz, Dr.
Hünfelder Strasse 20
W-6000 Frankfurt am Main 60 / DE
02 / Riegel, Ulrich
Steinäcker Strasse 6
W-6000 Frankfurt am Main 60 / DE
03 / Kleiner, Hanss-Jerg, Dr.
Altkönigstrasse 11a
W-6242 Kronberg 2 / DE
04 / Müller, Wolf-Dieter, Dr.
Wacholderweg 2
W-6238 Hofheim 3 / DE
[1992/17]
Representative(s)(deleted)
[1996/09]
Former [1993/17]Urbach, Hans-Georg, Dr., et al
CASSELLA AKTIENGESELLSCHAFT, Patentabteilung, Hanauer Landstrasse 526
D-60386 Frankfurt / DE
Former [1992/17]Urbach, Hans-Georg, Dr.
CASSELLA AKTIENGESELLSCHAFT Patentabteilung Hanauer Landstrasse 526
D-60386 Frankfurt / DE
Application number, filing date91117351.611.10.1991
[1992/17]
Priority number, dateDE1990403300718.10.1990         Original published format: DE 4033007
[1992/17]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0481370
Date:22.04.1992
Language:DE
[1992/17]
Type: A3 Search report 
No.:EP0481370
Date:21.04.1993
Language:DE
[1993/16]
Type: B1 Patent specification 
No.:EP0481370
Date:28.02.1996
[1996/09]
Search report(s)(Supplementary) European search report - dispatched on:EP04.03.1993
ClassificationIPC:C08K5/5373
[1996/09]
CPC:
A61L15/60 (EP,US); C08K5/5373 (EP,US)
Former IPC [1992/17]C08K5/5317
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   NL,   SE [1992/17]
TitleGerman:Verwendung von Phosphonsäurediglycidylestern als Vernetzer bei Hydrogelen[1992/17]
English:Use of phosphonic acid diglycidylesters as cross-linking agent in hydrogels[1992/17]
French:Utilisation d'esters diglycidyliques d'acide phosphonique pour la réticulation d'hydrogels[1992/17]
Examination procedure07.05.1993Examination requested  [1993/27]
06.04.1995Despatch of communication of intention to grant (Approval: No)
21.08.1995Despatch of communication of intention to grant (Approval: later approval)
29.08.1995Communication of intention to grant the patent
08.12.1995Fee for grant paid
08.12.1995Fee for publishing/printing paid
Opposition(s)29.11.1996No opposition filed within time limit [1997/08]
Fees paidRenewal fee
23.08.1993Renewal fee patent year 03
31.10.1994Renewal fee patent year 04
31.10.1995Renewal 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  TooltipBE28.02.1996
DK28.02.1996
ES28.02.1996
FR28.02.1996
GR28.02.1996
IT28.02.1996
NL28.02.1996
SE31.05.1996
[2006/14]
Former [2003/07]BE28.02.1996
DK28.02.1996
ES28.02.1996
GR28.02.1996
IT28.02.1996
NL28.02.1996
SE31.05.1996
FR26.07.1996
Former [2002/25]BE28.02.1996
DK28.02.1996
ES28.02.1996
GR28.02.1996
IT28.02.1996
SE31.05.1996
FR26.07.1996
Former [2000/05]BE28.02.1996
DK28.02.1996
GR28.02.1996
IT28.02.1996
SE31.05.1996
FR26.07.1996
Former [1999/42]BE28.02.1996
DK28.02.1996
IT28.02.1996
SE31.05.1996
FR26.07.1996
Former [1998/15]BE28.02.1996
DK28.02.1996
SE31.05.1996
FR26.07.1996
Former [1997/06]BE28.02.1996
SE31.05.1996
FR26.07.1996
Former [1996/52]BE28.02.1996
SE31.05.1996
Former [1996/42]SE31.05.1996
Documents cited:Search[AD]US2856369  (SMITH CURTIS W, et al)
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.