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EP0442737
European procedure
Extract from the Register of European Patents
EP About this file: EP0442737
| EP0442737 - Method for the preparation of a polyvinyl chloride resin [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.02.1995 Database last updated on 15.11.2024 | Most recent event Tooltip | 23.02.1995 | No opposition filed within time limit | published on 12.04.1995 [1995/15] | Applicant(s) | For all designated states Shin-Etsu Chemical Co., Ltd. 6-1, Otemachi 2-chome Chiyoda-ku Tokyo 100 / JP | [N/P] |
| Former [1991/34] | For all designated states Shin-Etsu Chemical Co., Ltd. 6-1, Otemachi 2-chome Chiyoda-ku Tokyo 100 / JP | Inventor(s) | 01 /
Noguki, Genji 8-21-23, Hinode, Itako-machi Namegata-gun, Ibaraki-ken / JP | 02 /
Koga, Toshimichi 3-3-24, Shitte-chuo, Kamisu-machi Kashima-gun, Ibaraki-ken / JP | 03 /
Amano, Tadashi 259, Shimosakunobe, Takatsu-ku Kawasaki-shi, Kanagawa-ken / JP | [1991/34] | Representative(s) | Virr, Dennis Austin, et al Urquhart-Dykes & Lord St. Nicholas Chambers Amen Corner Newcastle-Upon-Tyne NE1 1PE / GB | [1991/34] | Application number, filing date | 91301203.5 | 14.02.1991 | [1991/34] | Priority number, date | JP19900035530 | 16.02.1990 Original published format: JP 3553090 | [1991/34] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0442737 | Date: | 21.08.1991 | Language: | EN | [1991/34] | Type: | A3 Search report | No.: | EP0442737 | Date: | 04.12.1991 | Language: | EN | [1991/49] | Type: | B1 Patent specification | No.: | EP0442737 | Date: | 20.04.1994 | Language: | EN | [1994/16] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.10.1991 | Classification | IPC: | C08F14/06, C08F2/18, C08F2/44 | [1991/34] | CPC: |
C08F14/06 (EP,US);
C08K5/103 (EP,US)
| C-Set: |
C08F14/06, C08F2/18 (EP,US);
C08K5/103, C08L27/06 (US,EP) | Designated contracting states | BE, DE, ES, GB, NL [1991/34] | Title | German: | Verfahren zur Herstellung von Polyvinylchlorid-Harz | [1991/34] | English: | Method for the preparation of a polyvinyl chloride resin | [1991/34] | French: | Méthode pour la préparation de résine de polychlorure vinylique | [1991/34] | Examination procedure | 22.05.1992 | Examination requested [1992/30] | 25.11.1992 | Despatch of a communication from the examining division (Time limit: M04) | 30.03.1993 | Reply to a communication from the examining division | 09.06.1993 | Despatch of communication of intention to grant (Approval: No) | 14.10.1993 | Despatch of communication of intention to grant (Approval: later approval) | 19.10.1993 | Communication of intention to grant the patent | 30.12.1993 | Fee for grant paid | 30.12.1993 | Fee for publishing/printing paid | Opposition(s) | 21.01.1995 | No opposition filed within time limit [1995/15] | Fees paid | Renewal fee | 23.02.1993 | Renewal fee patent year 03 | 08.02.1994 | Renewal fee patent year 04 |
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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 | [Y]FR983366 (DISTILLERS CO YEAST LTD); | [Y]FR2111611 (LONZA AG); | [A]US3054786 (BURKHOLDER WARD J, et al) |