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EP0508318
European procedure
Extract from the Register of European Patents
EP About this file: EP0508318
| EP0508318 - Process for producing optically isotropic pitch [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 13.11.1998 Database last updated on 22.08.2024 | Most recent event Tooltip | 13.11.1998 | No opposition filed within time limit | published on 30.12.1998 [1998/53] | Applicant(s) | For all designated states PETOCA Ltd. No. 3-6, Kioi-cho Chiyoda-ku Tokyo / JP | [N/P] |
| Former [1992/42] | For all designated states PETOCA Ltd. No. 3-6, Kioi-cho Chiyoda-ku, Tokyo / JP | Inventor(s) | 01 /
Toshio, Tamaki, PETOCA LTD No. 4, Touwada, Kamisu-machi Kashima-gun, Ibaraki-ken / JP | [1992/42] | Representative(s) | Vossius & Partner Patentanwälte Rechtsanwälte mbB Siebertstrasse 3 81675 München / DE | [N/P] |
| Former [1992/42] | VOSSIUS & PARTNER Postfach 86 07 67 D-81634 München / DE | Application number, filing date | 92105778.2 | 03.04.1992 | [1992/42] | Priority number, date | JP19910097922 | 04.04.1991 Original published format: JP 9792291 | [1992/42] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0508318 | Date: | 14.10.1992 | Language: | EN | [1992/42] | Type: | B1 Patent specification | No.: | EP0508318 | Date: | 07.01.1998 | Language: | EN | [1998/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.08.1992 | Classification | IPC: | C10C3/04, D01F9/155 | [1992/42] | CPC: |
C10C3/002 (EP,US);
C10C3/04 (EP,US);
D01F9/155 (EP,US)
| Designated contracting states | DE, FR, GB [1992/42] | Title | German: | Verfahren zur Herstellung von optisch isotropem Pech | [1998/02] | English: | Process for producing optically isotropic pitch | [1992/42] | French: | Procédé de fabrication de brai optiquement isotrope | [1992/42] |
| Former [1992/42] | Verfahren zur Herstellung von optisch-isotropem Pech | Examination procedure | 20.11.1992 | Examination requested [1993/03] | 04.10.1994 | Despatch of a communication from the examining division (Time limit: M04) | 19.01.1995 | Reply to a communication from the examining division | 14.09.1995 | Despatch of a communication from the examining division (Time limit: M04) | 05.12.1995 | Reply to a communication from the examining division | 06.02.1997 | Despatch of communication of intention to grant (Approval: No) | 30.06.1997 | Despatch of communication of intention to grant (Approval: later approval) | 07.07.1997 | Communication of intention to grant the patent | 23.09.1997 | Fee for grant paid | 23.09.1997 | Fee for publishing/printing paid | Opposition(s) | 08.10.1998 | No opposition filed within time limit [1998/53] | Fees paid | Renewal fee | 29.04.1994 | Renewal fee patent year 03 | 28.04.1995 | Renewal fee patent year 04 | 30.04.1996 | Renewal fee patent year 05 | 30.04.1997 | Renewal fee patent year 06 |
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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 | [YD]JP63156886 ; | [Y]JP61289134 ; | [AD]JP61028020 ; | [Y]EP0087749 (MITSUBISHI OIL CO [JP]); | [A]GB2115437 (NIPPON OIL CO LTD) | [YD] - WORLD PATENTS INDEX LATEST Week 8832, Derwent Publications Ltd., London, GB; AN 88-223104 [32] & JP-A-63 156 886 (OSAKA GAS) 29 June 1988, & JP63156886 A 19880629 | [Y] - WORLD PATENTS INDEX LATEST Week 8705, Derwent Publications Ltd., London, GB; AN 87-032954 & JP-A-61 289 134 (OSAKA GAS) 19 December 1986, & JP61289134 A 19861219 | [AD] - PATENT ABSTRACTS OF JAPAN vol. 410, no. 178 (C-355)(2234) 21 June 1986 & JP-A-61 028 020 ( OSAKA GAS CO LTD ) 7 February 1986, & JP61028020 A 19860207 |