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Extract from the Register of European Patents

EP About this file: EP0690041

EP0690041 - Process for the preparation of diacetyl free methylmethalcrylate [Right-click to bookmark this link]
Former [1996/01]Process for the preparation of diacethyl free methylmethalcrylate
[1998/03]
StatusNo opposition filed within time limit
Status updated on  20.11.1998
Database last updated on 03.10.2024
Most recent event   Tooltip20.11.1998No opposition filed within time limitpublished on 07.01.1999 [1999/01]
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 [1998/03]For all designated states
ELF ATOCHEM S.A.
4 & 8, Cours Michelet, La Défense 10
92800 Puteaux / FR
Former [1996/01]For all designated states
ELF ATOCHEM S.A.
4 & 8, Cours Michelet La Défense 10
F-92800 Puteaux / FR
Inventor(s)01 / Croizy, Jean-François
84, rue Principale
F-75450 Farschivller / FR
02 / Esch, Marc
23, rue Goethe
F-57800 Freyming-Merlebach / FR
[1996/01]
Application number, filing date95401430.419.06.1995
[1996/01]
Priority number, dateFR1994000810330.06.1994         Original published format: FR 9408103
[1996/01]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0690041
Date:03.01.1996
Language:FR
[1996/01]
Type: B1 Patent specification 
No.:EP0690041
Date:14.01.1998
Language:FR
[1998/03]
Search report(s)(Supplementary) European search report - dispatched on:EP10.10.1995
ClassificationIPC:C07C67/54, C07C69/54, C07C67/62, C07C67/20
[1996/01]
CPC:
C07C67/54 (EP,US); C07C69/54 (KR); C07C67/48 (KR);
C07C67/60 (EP,US)
C-Set:
C07C67/54, C07C69/54 (EP,US);
C07C67/60, C07C69/54 (US,EP)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   NL,   PT,   SE [1996/01]
TitleGerman:Verfahren zur Herstellung von Methylmethacrylat ohne Diacethyl[1996/01]
English:Process for the preparation of diacetyl free methylmethalcrylate[1998/03]
French:Procédé de fabrication de méthacrylate de méthyle sans diacétyle[1996/01]
Former [1996/01]Process for the preparation of diacethyl free methylmethalcrylate
Examination procedure22.01.1996Examination requested  [1996/12]
27.01.1997Despatch of a communication from the examining division (Time limit: M04)
27.02.1997Reply to a communication from the examining division
30.05.1997Despatch of communication of intention to grant (Approval: Yes)
26.06.1997Communication of intention to grant the patent
04.08.1997Fee for grant paid
04.08.1997Fee for publishing/printing paid
Opposition(s)15.10.1998No opposition filed within time limit [1999/01]
Fees paidRenewal fee
10.06.1997Renewal fee patent year 03
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Documents cited:Search[DA]EP0206230  (DU PONT [US])[DA] 1
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