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EP0237294
European procedure
Extract from the Register of European Patents
EP About this file: EP0237294
| EP0237294 - Process for preparing ethylene polymers [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 08.10.1992 Database last updated on 28.06.2024 | Most recent event Tooltip | 08.10.1992 | No opposition filed within time limit | published on 25.11.1992 [1992/48] | Applicant(s) | For all designated states NIPPON OIL CO. LTD. 3-12, 1-chome Nishi-Shinbashi Minato-ku Tokyo / JP | [N/P] |
| Former [1987/38] | For all designated states NIPPON OIL CO. LTD. 3-12, 1-chome Nishi-Shinbashi Minato-ku Tokyo 105 / JP | Inventor(s) | 01 /
Tajima, Yoshio 2-39-17 Kamiikedai Ota-ku Tokyo / JP | 02 /
Nomiyama, Kazutosi 4051-392 Haijima-cho Akishima-shi Tokyo / JP | 03 /
Nishikitani, Yoshinori 155-72 Honmoku-Ohsatocho Naka-ku Yokohama-shi Kanagawa-ken / JP | 04 /
Kuroda, Nobuyuki 185-2 Shirahata Kami-cho Kanagawa-ku Yokohama-shi Kanagawa-ken / JP | 05 /
Matsuura, Kazuo 2-22-18 Higashi-Yukigaya Ota-ku Tokyo / JP | [1987/38] | Representative(s) | Cropp, John Anthony David, et al MATHYS & SQUIRE 100 Grays Inn Road London, WC1X 8AL / GB | [1987/38] | Application number, filing date | 87301961.6 | 06.03.1987 | [1987/38] | Priority number, date | JP19860048525 | 07.03.1986 Original published format: JP 4852586 | [1987/38] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0237294 | Date: | 16.09.1987 | Language: | EN | [1987/38] | Type: | A3 Search report | No.: | EP0237294 | Date: | 25.01.1989 | Language: | EN | [1989/04] | Type: | B1 Patent specification | No.: | EP0237294 | Date: | 04.12.1991 | Language: | EN | [1991/49] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.12.1988 | Classification | IPC: | C08F10/02, C08F4/62, C08F2/00 | [1989/01] | CPC: |
C08F10/02 (EP,US);
C08F10/00 (EP,US);
C08F110/02 (EP,US);
C08F210/16 (EP,US);
Y10S526/905 (EP,US)
| C-Set: |
C08F10/00, C08F4/025, C08F2500/12, C08F2500/14, C08F2500/13, C08F2500/11, C08F2500/18 (EP,US);
C08F10/00, C08F4/6543 (US,EP);
C08F10/02, C08F2/34 (US,EP);
C08F110/02, C08F4/6228 (US,EP);
C08F110/02, C08F4/69 (EP,US);
C08F110/02, C08F2500/12, C08F2500/14, C08F2500/13, C08F2500/07, C08F2500/11, C08F2500/18 (US,EP); |
| Former IPC [1987/38] | C08F110/02, C08F4/62 | Designated contracting states | DE, FR, GB [1987/38] | Title | German: | Verfahren zur Herstellung von Ethylenpolymeren | [1987/38] | English: | Process for preparing ethylene polymers | [1987/38] | French: | Procédé de préparation de polymères d'éthylène | [1987/38] | Examination procedure | 05.07.1989 | Examination requested [1989/35] | 08.02.1991 | Despatch of communication of intention to grant (Approval: No) | 02.05.1991 | Despatch of communication of intention to grant (Approval: later approval) | 28.05.1991 | Communication of intention to grant the patent | 12.07.1991 | Fee for grant paid | 12.07.1991 | Fee for publishing/printing paid | Opposition(s) | 05.09.1992 | No opposition filed within time limit [1992/48] | Fees paid | Renewal fee | 30.01.1989 | Renewal fee patent year 03 | 30.03.1990 | Renewal fee patent year 04 | 21.12.1990 | Renewal fee patent year 05 | Penalty fee | Additional fee for renewal fee | 25.04.1990 | 04 M02 Fee paid on 15.05.1990 |
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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 | [A]EP0056831 (DOW CHEMICAL CO [US]); | [A]GB1176692 (UNION CARBIDE CORP [US]) |