EP0148560 - Process for producing pitch-based graphite fibres [Right-click to bookmark this link] | Status | Opposition rejected Status updated on 02.08.1991 Database last updated on 24.08.2024 | Most recent event Tooltip | 15.03.1996 | Lapse of the patent in a contracting state | published on 01.05.1996 [1996/18] | Applicant(s) | For all designated states NIPPON OIL CO. LTD. 3-12, Nishi-Shimbashi 1-chome Minato-ku Tokyo / JP | [N/P] |
Former [1985/29] | For all designated states NIPPON OIL CO. LTD. 3-12, Nishi-Shimbashi 1-chome Minato-ku Tokyo / JP | Inventor(s) | 01 /
Uemura, Seiichi 2-22-18, Higashi-Yukigaya Ota-ku Tokyo / JP | 02 /
Hirose, Takao 6-11, Onari-cho Kamakura-shi Kanagawa-ken / JP | 03 /
Sohda, Yoshio 2-235, Kosugi-cho Nakahara-ku Kawasaki-shi Kanagawa-ken / JP | 04 /
Sakamoto, Takayoshi 2-29, Fudaba-cho Hiratsuka-shi Kanagawa-ken / JP | 05 /
Kishimoto, Yoshio 2-50, Otsubama-minamicho Yokosuka-shi Kanagawa-ken / JP | [1985/29] | Representative(s) | Cropp, John Anthony David, et al MATHYS & SQUIRE 100 Grays Inn Road London, WC1X 8AL / GB | [1985/29] | Application number, filing date | 84307010.3 | 12.10.1984 | [1985/29] | Priority number, date | JP19830190953 | 14.10.1983 Original published format: JP 19095383 | JP19840037286 | 01.03.1984 Original published format: JP 3728684 | JP19840109583 | 31.05.1984 Original published format: JP 10958384 | [1985/29] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0148560 | Date: | 17.07.1985 | Language: | EN | [1985/29] | Type: | A3 Search report | No.: | EP0148560 | Date: | 17.09.1986 | Language: | EN | [1986/38] | Type: | B1 Patent specification | No.: | EP0148560 | Date: | 26.07.1989 | Language: | EN | [1989/30] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.07.1986 | Classification | IPC: | D01F9/14 | [1985/29] | CPC: |
D01F9/15 (EP,US);
D01F9/155 (EP,US)
| Designated contracting states | DE, FR, GB [1985/29] | Title | German: | Verfahren zur Herstellung von auf Pech basierenden Graphitfasern | [1985/29] | English: | Process for producing pitch-based graphite fibres | [1985/29] | French: | Procédé pour la fabrication de fibres de graphite à base de brai | [1985/29] | Examination procedure | 13.03.1987 | Examination requested [1987/20] | 08.02.1988 | Despatch of a communication from the examining division (Time limit: M04) | 04.06.1988 | Reply to a communication from the examining division | 07.09.1988 | Despatch of communication of intention to grant (Approval: No) | 09.01.1989 | Despatch of communication of intention to grant (Approval: later approval) | 23.01.1989 | Communication of intention to grant the patent | 03.04.1989 | Fee for grant paid | 03.04.1989 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
02.04.1990
Enka AG Enka-Haus Kasinostrasse Postfach 10 01 49 D-42001 Wuppertal / DE | [N/P] |
Former [1990/22] | |||
Opponent(s) | 01
02.04.1990
Enka AG Enka-Haus Kasinostrasse Postfach 10 01 49 D-42001 Wuppertal / DE | 01.06.1990 | Invitation to proprietor to file observations on the notice of opposition | 06.12.1990 | Reply of patent proprietor to notice(s) of opposition | 18.12.1990 | Communication of observations of patent proprietor (Time limit: M02) | 09.02.1991 | Reply of parties involved to observations of patent proprietor | 24.04.1991 | Date of despatch of rejection of opposition | 06.05.1991 | Legal effect of rejection of opposition [1991/38] | Fees paid | Renewal fee | 12.08.1986 | Renewal fee patent year 03 | 26.08.1987 | Renewal fee patent year 04 | 02.09.1988 | Renewal fee patent year 05 |
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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. | Documents cited: | Search | [X]FR2186429 (TORAY INDUSTRIES [JP]); | [XD]US4351816 (SCHULZ DAVID A) | by applicant | JPS5112740 | JPS5137967 | JPS556547 | JPS5590621 | US4351816 |