Extract from the Register of European Patents

EP About this file: EP0072717

EP0072717 - Homogeneous catalyst containing a transition metal and magnesium, its preparation process and its use in the polymerisation of ethylene [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  13.03.1986
Database last updated on 19.03.2026
Most recent event   Tooltip12.11.1999Lapse of the patent in a contracting statepublished on 29.12.1999 [1999/52]
Applicant(s)For all designated states
Société Chimique des Charbonnages S.A.
Tour Aurore Place des Reflets
92080 Paris La Défense 2 Cédex 5 / FR
[N/P]
Former [1983/08]For all designated states
Société Chimique des Charbonnages S.A.
Tour Aurore Place des Reflets
F-92080 Paris La Défense 2 Cédex 5 / FR
Inventor(s)01 / Le Brasseur, Geneviève
5 rue Debeaumont
F-62160 Bully les Mines / FR
[1983/08]
Application number, filing date82401211.630.06.1982
[1983/08]
Priority number, dateFR1981001481330.07.1981         Original published format: FR 8114813
[1983/08]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0072717
Date:23.02.1983
Language:FR
[1983/08]
Type: B1 Patent specification 
No.:EP0072717
Date:02.05.1985
Language:FR
[1985/18]
Search report(s)(Supplementary) European search report - dispatched on:EP09.12.1982
ClassificationIPC:C08F10/02, C08F4/62
[1983/08]
CPC:
C08F10/02 (EP,US); C08F10/00 (EP,US); C08F210/16 (EP,US);
Y10S526/904 (EP,US)
C-Set:
C08F10/00, C08F4/6465 (US,EP);
C08F10/00, C08F4/6548 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   GB,   IT,   LI,   LU,   NL,   SE [1983/08]
TitleGerman:Homogen-Katalysator ein Übergangsmetall und Magnesium enthaltend, Verfahren zu dessen Herstellung und seine Verwendung bei der Polymerisation von Äthylen[1983/08]
English:Homogeneous catalyst containing a transition metal and magnesium, its preparation process and its use in the polymerisation of ethylene[1983/08]
French:Catalyseur homogène comprenant un métal de transition et du magnésium, son procédé de préparation et son application à la polymérisation de l'éthylène[1983/08]
Examination procedure11.02.1983Examination requested  [1983/16]
16.05.1984Despatch of a communication from the examining division (Time limit: M02)
09.07.1984Reply to a communication from the examining division
11.09.1984Despatch of communication of intention to grant (Approval: )
19.10.1984Communication of intention to grant the patent
24.10.1984Fee for grant paid
24.10.1984Fee for publishing/printing paid
Opposition(s)04.02.1986No opposition filed within time limit [1986/18]
Fees paidRenewal fee
12.06.1984Renewal fee patent year 03
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  TooltipLU30.06.1985
[1999/52]
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.