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Extract from the Register of European Patents

EP About this file: EP0583178

EP0583178 - Improvement in the preparation of superabsorbant polyacrylates [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.10.1997
Database last updated on 05.07.2024
Most recent event   Tooltip10.10.1997No opposition filed within time limitpublished on 26.11.1997 [1997/48]
Applicant(s)For all designated states
ELF ATOCHEM S.A.
4/8, Cours Michelet, La Défense 10 92800 Puteaux
Hauts-de-Seine / FR
[N/P]
Former [1994/50]For all designated states
ELF ATOCHEM S.A.
4 & 8, Cours Michelet La Défense 10
F-92800 Puteaux / FR
Former [1994/07]For all designated states
ELF ATOCHEM S.A.
4 & 8, Cours Michelet La Défense 10
F-92800 Puteaux / FR
Inventor(s)01 / Rebre, Shu Rong
7, rue Villebois Mareuil
F-93400 Vincennes / FR
02 / Collette, Christian
19, rue Vauquelin
F-75005 Paris / FR
03 / Kowalik, André
3, Allée henri Becquerel
F-60270 Gouvieux / FR
[1994/07]
Representative(s)Haicour, Philippe Godefroy
ELF ATOCHEM S.A., Département Propriété Industrielle. 4-8, Cours Michelet, La Défense 10
92091 Paris Cédex 42 / FR
[N/P]
Former [1996/21]Haicour, Philippe
ELF ATOCHEM S.A., Département Propriété Industrielle. 4-8, Cours Michelet, La Défense 10
F-92091 Paris Cédex 42 / FR
Former [1994/07]Haicour, Philippe
Elf Atochem S.A., D.P.I. La Défense 10 - Cédex 42
F-92091 Paris La Defense / FR
Application number, filing date93401692.430.06.1993
[1994/07]
Priority number, dateFR1992000996012.08.1992         Original published format: FR 9209960
[1994/07]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0583178
Date:16.02.1994
Language:FR
[1994/07]
Type: B1 Patent specification 
No.:EP0583178
Date:04.12.1996
Language:FR
[1996/49]
Search report(s)(Supplementary) European search report - dispatched on:EP18.11.1993
ClassificationIPC:C08F2/32, A61L15/00
[1994/07]
CPC:
C08F20/06 (EP,US); A61L15/60 (EP,US)
C-Set:
A61L15/60, C08L33/02 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   NL,   PT,   SE [1994/07]
TitleGerman:Verbesserung in der Herstellung von superabsorbierenden Polyacrylaten[1994/07]
English:Improvement in the preparation of superabsorbant polyacrylates[1994/07]
French:Perfectionnement pour la préparation de polyacrylates superabsorbants[1994/07]
Examination procedure07.07.1993Examination requested  [1994/07]
17.11.1995Despatch of a communication from the examining division (Time limit: M04)
11.03.1996Reply to a communication from the examining division
07.05.1996Despatch of communication of intention to grant (Approval: Yes)
04.06.1996Communication of intention to grant the patent
29.08.1996Fee for grant paid
29.08.1996Fee for publishing/printing paid
Opposition(s)05.09.1997No opposition filed within time limit [1997/48]
Fees paidRenewal fee
01.05.1995Renewal fee patent year 03
10.06.1996Renewal fee patent year 04
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Documents cited:Search[DA]EP0441507  (SUMITOMO SEIKA CHEMICALS [JP])
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.