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EP0335622
European procedure
Extract from the Register of European Patents
EP About this file: EP0335622
| EP0335622 - High strength, high modulus pitch-based carbon fiber [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.01.1996 Database last updated on 02.09.2024 | Most recent event Tooltip | 30.11.2007 | Lapse of the patent in a contracting state | published on 02.01.2008 [2008/01] | Applicant(s) | For all designated states Tonen Corporation 1-1 Hitotsubashi, 1-Chome Chiyoda-Ku Tokyo 100 / JP | [1991/02] |
| Former [1989/40] | For all designated states TOA NENRYO KOGYO KABUSHIKI KAISHA 1-1 Hitotsubashi, 1-Chome Chiyoda-Ku Tokyo 100 / JP | Inventor(s) | 01 /
Naita, Tsutomu c/o Toa Nenryo Kogyo Kabushiki Kaisha 1-1 Hitotsubashi 1-chome Chiyoda-ku Tokyo / JP | 02 /
Komine, Kikuji c/o Toa Nenryo Kogyo Kabushiki Kaisha 1-1 Hitotsubashi 1-chome Chiyoda-ku Tokyo / JP | 03 /
Nishimura, Genshiro c/o Toa Nenryo Kogyo Kabushiki Kaisha 1-1 Hitotsubashi 1-chome Chiyoda-ku Tokyo / JP | [1989/40] | Representative(s) | Hughes, Brian Patrick, et al Graham Watt & Co. Riverhead Sevenoaks, Kent TN13 2BN / GB | [N/P] |
| Former [1989/40] | Hughes, Brian Patrick, et al Graham Watt & Co. Riverhead Sevenoaks, Kent TN13 2BN / GB | Application number, filing date | 89302979.3 | 23.03.1989 | [1989/40] | Priority number, date | JP19880073779 | 28.03.1988 Original published format: JP 7377988 | JP19890049779 | 03.03.1989 Original published format: JP 4977989 | [1989/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0335622 | Date: | 04.10.1989 | Language: | EN | [1989/40] | Type: | A3 Search report | No.: | EP0335622 | Date: | 23.10.1991 | Language: | EN | [1991/43] | Type: | B1 Patent specification | No.: | EP0335622 | Date: | 15.03.1995 | Language: | EN | [1995/11] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.09.1991 | Classification | IPC: | D01F9/14 | [1989/40] | CPC: |
D01D4/027 (EP,US);
D01F9/14 (EP,US);
D01F9/145 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1989/40] | Title | German: | Pechkohlenstoffaser mit hoher Zugfestigkeit und hohem Elastizitätsmodulus | [1989/40] | English: | High strength, high modulus pitch-based carbon fiber | [1989/40] | French: | Fibres de carbone à base de brai, ayant une ténacité et un module d'élasticité élevés | [1989/40] | Examination procedure | 21.03.1992 | Examination requested [1992/21] | 05.07.1993 | Despatch of a communication from the examining division (Time limit: M06) | 13.01.1994 | Reply to a communication from the examining division | 05.07.1994 | Despatch of communication of intention to grant (Approval: Yes) | 16.09.1994 | Communication of intention to grant the patent | 25.11.1994 | Fee for grant paid | 25.11.1994 | Fee for publishing/printing paid | Opposition(s) | 16.12.1995 | No opposition filed within time limit [1996/10] | Fees paid | Renewal fee | 23.03.1991 | Renewal fee patent year 03 | 21.03.1992 | Renewal fee patent year 04 | 12.03.1993 | Renewal fee patent year 05 | 15.03.1994 | 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. | Lapses during opposition Tooltip | IT | 15.03.1995 | [2008/01] |
| Former [1999/42] | IT | 15.03.1995 | Documents cited: | Search | [A]EP0168639 (TEIJIN LTD [JP]); | [X]EP0245035 (TOA NENRYO KOGYO KK [JP]); | [XP]US4775589 (HAMADA TAKESHI [JP], et al); | [XP]EP0294112 (TOA NENRYO KOGYO KK [JP]) |