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Extract from the Register of European Patents

EP About this file: EP0171822

EP0171822 - Process for the production of pseudocumene or durene [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  24.12.1991
Database last updated on 02.09.2024
Most recent event   Tooltip12.11.1999Lapse of the patent in a contracting state
New state(s): LU
published on 29.12.1999 [1999/52]
Applicant(s)For all designated states
IDEMITSU KOSAN COMPANY LIMITED
1-1, Marunouchi 3-chome Chiyoda-ku
Tokyo 100-0005 / JP
[N/P]
Former [1986/08]For all designated states
IDEMITSU KOSAN COMPANY LIMITED
1-1, Marunouchi 3-chome Chiyoda-ku
Tokyo 100 / JP
Inventor(s)01 / Haruhito, Sato
No. 1660, Kamiizumi Sodegaura-machi
Kimitsu-gun Chiba-ken / JP
[1986/08]
Representative(s)Türk, Dietmar
Türk, Gille, Hrabal, Leifert Patentanwälte Brucknerstrasse 20
40593 Düsseldorf / DE
[N/P]
Former [1987/13]Türk, Dietmar, Dr. rer. nat.
Türk, Gille, Hrabal, Leifert Patentanwälte Brucknerstrasse 20
D-40593 Düsseldorf / DE
Former [1986/08]Türk, Dietmar, Dr. rer. nat.
Türk, Gille + Hrabal Patentanwälte Bruckner Strasse 20
D-40593 Düsseldorf / DE
Application number, filing date85110727.622.09.1983
[1986/08]
Priority number, dateJP1982016499924.09.1982         Original published format: JP 16499982
[1986/08]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0171822
Date:19.02.1986
Language:EN
[1986/08]
Type: B1 Patent specification 
No.:EP0171822
Date:20.02.1991
Language:EN
[1991/08]
Search report(s)(Supplementary) European search report - dispatched on:EP17.12.1985
ClassificationIPC:C07C15/02, C07C2/86
[1986/08]
CPC:
C07C2/864 (EP,US); C07C2/865 (EP,US); C07C2521/02 (EP,US);
C07C2521/08 (EP,US); C07C2529/86 (EP,US)
C-Set:
C07C2/864, C07C15/02 (EP,US);
C07C2/865, C07C15/02 (US,EP)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1986/08]
TitleGerman:Verfahren zur Herstellung von Pseudocumol oder von Durol[1986/08]
English:Process for the production of pseudocumene or durene[1986/08]
French:Procédé pour la production de pseudocumène ou de durène[1986/08]
Examination procedure12.08.1986Examination requested  [1986/43]
15.01.1987Despatch of a communication from the examining division (Time limit: M06)
16.07.1987Reply to a communication from the examining division
15.03.1989Despatch of a communication from the examining division (Time limit: M04)
02.06.1989Reply to a communication from the examining division
26.03.1990Despatch of communication of intention to grant (Approval: Yes)
08.08.1990Communication of intention to grant the patent
10.11.1990Fee for grant paid
10.11.1990Fee for publishing/printing paid
Parent application(s)   TooltipEP83109417.2  / EP0104607
Opposition(s)22.11.1991No opposition filed within time limit [1992/08]
Fees paidRenewal fee
18.09.1985Renewal fee patent year 03
15.08.1986Renewal fee patent year 04
28.08.1987Renewal fee patent year 05
13.09.1988Renewal fee patent year 06
14.09.1989Renewal fee patent year 07
13.09.1990Renewal fee patent year 08
15.12.1990Renewal fee patent year 09
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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  TooltipAT20.02.1991
BE20.02.1991
CH20.02.1991
LI20.02.1991
NL20.02.1991
SE20.02.1991
LU30.09.1991
[1999/52]
Former [1992/10]AT20.02.1991
BE20.02.1991
CH20.02.1991
LI20.02.1991
NL20.02.1991
SE20.02.1991
Former [1991/52]AT20.02.1991
CH20.02.1991
LI20.02.1991
NL20.02.1991
SE20.02.1991
Former [1991/49]AT20.02.1991
NL20.02.1991
SE20.02.1991
Former [1991/39]SE20.02.1991
Documents cited:Search[X]US4292457  (KLOTZ MARVIN R)
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.