EP0331379 - Method of processing carbon fiber precursor from pitchy materials [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 08.08.1997 Database last updated on 31.08.2024 | Most recent event Tooltip | 08.08.1997 | No opposition filed within time limit | published on 24.09.1997 [1997/39] | Applicant(s) | For all designated states Takemoto Yushi Kabushiki Kaisha 2-5, Minato-machi Gamagouri-shi Aichi-ken / JP | [N/P] |
Former [1989/36] | For all designated states Takemoto Yushi Kabushiki Kaisha 2-5, Minato-machi Gamagouri-shi Aichi-ken / JP | Inventor(s) | 01 /
Ogiso, Osamu 4-20 Miyanari-cho Gamagouri-shi Aichi-ken / JP | 02 /
Uchida, Hideto 101-5 Azagonaka Makimido-cho Okazaki-shi Aichi-ken / JP | [1996/40] |
Former [1989/36] | 01 /
Ogiso, Osamu 4-20 Miyanari-cho Ganmagouri-shi Aichi-ken / JP | ||
02 /
Uchida, Hideto 101-5 Azagonaka Makimido-cho Okazaki-shi Aichi-ken / JP | Representative(s) | Clifford, Frederick Alan, et al MARKS & CLERK, 57/60 Lincoln's Inn Fields London WC2A 3LS / GB | [1989/36] | Application number, filing date | 89301893.7 | 24.02.1989 | [1989/36] | Priority number, date | JP19880041671 | 24.02.1988 Original published format: JP 4167188 | JP19880041672 | 24.02.1988 Original published format: JP 4167288 | [1989/36] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0331379 | Date: | 06.09.1989 | Language: | EN | [1989/36] | Type: | A3 Search report | No.: | EP0331379 | Date: | 21.11.1991 | Language: | EN | [1991/47] | Type: | B1 Patent specification | No.: | EP0331379 | Date: | 02.10.1996 | Language: | EN | [1996/40] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.10.1991 | Classification | IPC: | D01F9/145 | [1996/40] | CPC: |
D01F9/155 (EP,US);
D01F9/12 (KR);
D01F9/15 (EP,US);
D06M15/643 (KR);
Y10T428/2933 (EP,US);
Y10T428/2962 (EP,US);
Y10T428/30 (EP,US)
(-)
|
Former IPC [1991/47] | D01F9/14, D01F9/20 | ||
Former IPC [1989/36] | D01F9/14 | Designated contracting states | DE, FR, GB [1989/36] | Title | German: | Pechartige Materialien als Vorläufer für Kohlenstoffasern | [1989/36] | English: | Method of processing carbon fiber precursor from pitchy materials | [1989/36] | French: | Matériaux à base de brai comme précurseur pour des fibres de carbone | [1989/36] | Examination procedure | 26.02.1992 | Examination requested [1992/17] | 02.09.1994 | Despatch of a communication from the examining division (Time limit: M06) | 08.03.1995 | Reply to a communication from the examining division | 26.05.1995 | Despatch of a communication from the examining division (Time limit: M01) | 21.06.1995 | Reply to a communication from the examining division | 30.11.1995 | Despatch of communication of intention to grant (Approval: No) | 22.03.1996 | Despatch of communication of intention to grant (Approval: later approval) | 28.03.1996 | Communication of intention to grant the patent | 07.06.1996 | Fee for grant paid | 07.06.1996 | Fee for publishing/printing paid | Opposition(s) | 03.07.1997 | No opposition filed within time limit [1997/39] | Fees paid | Renewal fee | 17.12.1990 | Renewal fee patent year 03 | 10.02.1992 | Renewal fee patent year 04 | 08.02.1993 | Renewal fee patent year 05 | 08.02.1994 | Renewal fee patent year 06 | 10.02.1995 | Renewal fee patent year 07 | 08.02.1996 | Renewal fee patent year 08 |
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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 | [AP]JP1026720 ; | [Y]EP0159120 (TAKEMOTO OIL & FAT CO LTD [JP]); | [Y]EP0145150 (TAKEMOTO OIL & FAT CO LTD [JP]); | [A]GB2090302 (TOHO BESLON CO) | [A] - JAPANESE PATENTS GAZETTE, week E16, 2nd June 1982, section Ch: Chemical, page 4, abstract no. 31812 E/16, Derwent Publications Ltd, London, GB; JP-A-57 042 974 (KURARAY K.K. (YOSH-) 10-03-1982 | [AP] - JAPANESE PATENTS ABSTRACTS, Unexamined, week 8910, 19th April 1989, A-M Chemical, page 12, accession no. 89-073495/10, Derwent Publications Ltd, London, GB; & JP-A-1 026 720 (MITSUBISHI CHEM. IND. K.K.) 30-01-1989, & JP1026720 A 00000000 |