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EP0433893
European procedure
Extract from the Register of European Patents
EP About this file: EP0433893
| EP0433893 - Process and system for purifying pure water or ultrapure water [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.08.1995 Database last updated on 11.04.2026 | Most recent event Tooltip | 26.08.1995 | No opposition filed within time limit | published on 18.10.1995 [1995/42] | Applicant(s) | For all designated states EBARA CORPORATION 11-1, Haneda Asahi-cho Ohta-ku Tokyo / JP | For all designated states EBARA RESEARCH CO., LTD. 4-2-1, Honfujisawa Fujisawa-shi Kanagawa-ken / JP | [N/P] |
| Former [1991/26] | For all designated states EBARA CORPORATION 11-1, Haneda Asahi-cho Ohta-ku Tokyo / JP | ||
| For all designated states EBARA RESEARCH CO., LTD. 4-2-1, Honfujisawa Fujisawa-shi Kanagawa-ken / JP | Inventor(s) | 01 /
Saito, Takayuki 2-24-108, Higashiyawata 4-chome Hiratsuka-shi, Kanagawa-ken / JP | 02 /
Nakajima, Ken 1761, Dai Kamakura-shi Kanagawa-ken / JP | 03 /
Iwase, Yoko 2-10-18, Kugenumafujigaya Fujisawa-shi, Kanagawa-ken / JP | 04 /
Ikeda, Yokio 46-5, Den-enchofu Honcho, Ohta-ku Tokyo / JP | 05 /
Shima, Hiroyuki Ebara Fujisawaryo, 1-9-2, Inari Fujisawa-shi, Kanagawa-ken / JP | [1991/26] | Representative(s) | Nöth, Heinz, et al Patentanwälte Pfenning, Meinig & Partner Mozartstrasse 17 80336 München / DE | [N/P] |
| Former [1991/26] | Nöth, Heinz, Dipl.-Phys., et al Patentanwälte Pfenning, Meinig & Partner Mozartstrasse 17 D-80336 München / DE | Application number, filing date | 90124099.4 | 13.12.1990 | [1991/26] | Priority number, date | JP19890327135 | 19.12.1989 Original published format: JP 32713589 | [1991/26] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0433893 | Date: | 26.06.1991 | Language: | EN | [1991/26] | Type: | A3 Search report | No.: | EP0433893 | Date: | 23.10.1991 | Language: | EN | [1991/43] | Type: | B1 Patent specification | No.: | EP0433893 | Date: | 26.10.1994 | Language: | EN | [1994/43] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 31.08.1991 | Classification | IPC: | C02F1/72, C02F1/32, C02F1/78, C02F1/42, C02F1/20, C02F1/44 | [1991/26] | CPC: |
B01D61/00 (EP,US);
B01D19/0031 (EP,US);
C02F1/20 (EP,US);
C02F1/42 (EP,US);
C02F1/444 (EP,US);
C02F9/00 (EP,US);
C02F1/32 (EP,US);
C02F1/722 (EP,US);
C02F2103/04 (EP,US);
Y10S210/90 (EP,US)
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| Designated contracting states | DE, FR, GB, IT [1991/26] | Title | German: | Verfahren und Vorrichtung zur Reinigung von reinem oder ultrareinem Wasser | [1991/26] | English: | Process and system for purifying pure water or ultrapure water | [1991/26] | French: | Procédé et système pour purifier de l'eau pure ou ultrapure | [1991/26] | Examination procedure | 01.04.1992 | Examination requested [1992/23] | 04.06.1993 | Despatch of a communication from the examining division (Time limit: M06) | 03.12.1993 | Reply to a communication from the examining division | 14.02.1994 | Despatch of communication of intention to grant (Approval: Yes) | 29.04.1994 | Communication of intention to grant the patent | 13.07.1994 | Fee for grant paid | 13.07.1994 | Fee for publishing/printing paid | Opposition(s) | 27.07.1995 | No opposition filed within time limit [1995/42] | Fees paid | Renewal fee | 15.12.1992 | Renewal fee patent year 03 | 20.12.1993 | Renewal fee patent year 04 |
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