EP0171822 - Process for the production of pseudocumene or durene [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.12.1991 Database last updated on 02.09.2024 | Most recent event Tooltip | 12.11.1999 | Lapse 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 date | 85110727.6 | 22.09.1983 | [1986/08] | Priority number, date | JP19820164999 | 24.09.1982 Original published format: JP 16499982 | [1986/08] | Filing language | EN | Procedural language | EN | Publication | Type: | 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: | EP | 17.12.1985 | Classification | IPC: | 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 states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1986/08] | Title | German: | 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 procedure | 12.08.1986 | Examination requested [1986/43] | 15.01.1987 | Despatch of a communication from the examining division (Time limit: M06) | 16.07.1987 | Reply to a communication from the examining division | 15.03.1989 | Despatch of a communication from the examining division (Time limit: M04) | 02.06.1989 | Reply to a communication from the examining division | 26.03.1990 | Despatch of communication of intention to grant (Approval: Yes) | 08.08.1990 | Communication of intention to grant the patent | 10.11.1990 | Fee for grant paid | 10.11.1990 | Fee for publishing/printing paid | Parent application(s) Tooltip | EP83109417.2 / EP0104607 | Opposition(s) | 22.11.1991 | No opposition filed within time limit [1992/08] | Fees paid | Renewal fee | 18.09.1985 | Renewal fee patent year 03 | 15.08.1986 | Renewal fee patent year 04 | 28.08.1987 | Renewal fee patent year 05 | 13.09.1988 | Renewal fee patent year 06 | 14.09.1989 | Renewal fee patent year 07 | 13.09.1990 | Renewal fee patent year 08 | 15.12.1990 | Renewal 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 Tooltip | AT | 20.02.1991 | BE | 20.02.1991 | CH | 20.02.1991 | LI | 20.02.1991 | NL | 20.02.1991 | SE | 20.02.1991 | LU | 30.09.1991 | [1999/52] |
Former [1992/10] | AT | 20.02.1991 | |
BE | 20.02.1991 | ||
CH | 20.02.1991 | ||
LI | 20.02.1991 | ||
NL | 20.02.1991 | ||
SE | 20.02.1991 | ||
Former [1991/52] | AT | 20.02.1991 | |
CH | 20.02.1991 | ||
LI | 20.02.1991 | ||
NL | 20.02.1991 | ||
SE | 20.02.1991 | ||
Former [1991/49] | AT | 20.02.1991 | |
NL | 20.02.1991 | ||
SE | 20.02.1991 | ||
Former [1991/39] | SE | 20.02.1991 | Documents cited: | Search | [X]US4292457 (KLOTZ MARVIN R) |