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EP0256091
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EP About this file: EP0256091
| EP0256091 - MAGNESIUM CALCIUM OXIDE COMPOSITE [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 07.01.1992 Database last updated on 31.08.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states THE DOW CHEMICAL COMPANY 2030 Dow Center Midland, Michigan 48674 / US | [1998/02] |
| Former [1988/08] | For all designated states THE DOW CHEMICAL COMPANY 2030 Dow Center Abbott Road P.O. Box 1967 Midland Michigan 48640-1967 / US | Inventor(s) | 01 /
GREEN, William, G. 1526 West 5th Street Freeport, TX 77541 / US | [1988/08] | Representative(s) | Smulders, Theodorus A.H.J., et al Vereenigde Postbus 87930 2508 DH Den Haag / NL | [N/P] |
| Former [1988/08] | Smulders, Theodorus A.H.J., Ir., et al Vereenigde Octrooibureaux Nieuwe Parklaan 97 NL-2587 BN 's-Gravenhage / NL | Application number, filing date | 87901217.7 | 27.01.1987 | [1988/08] | WO1987US00151 | Priority number, date | US19860822459 | 27.01.1986 Original published format: US 822459 | [1988/08] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO8704468 | Date: | 30.07.1987 | Language: | EN | [1987/17] | Type: | A1 Application with search report | No.: | EP0256091 | Date: | 24.02.1988 | Language: | EN | The application published by WIPO in one of the EPO official languages on 30.07.1987 takes the place of the publication of the European patent application. | [1988/08] | Search report(s) | International search report - published on: | US | 30.07.1987 | (Supplementary) European search report - dispatched on: | EP | 23.06.1988 | Classification | IPC: | C21C7/064 | [1988/08] | CPC: |
C21C1/02 (EP,US);
C21C1/10 (EP,US);
C21C7/064 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1988/08] | Title | German: | MAGNESIUM-KALZIUMOXID-KOMPOSIT | [1988/08] | English: | MAGNESIUM CALCIUM OXIDE COMPOSITE | [1988/08] | French: | COMPOSITE D'OXYDE DE CALCIUM-MAGNESIUM | [1988/08] | File destroyed: | 12.06.1999 | Entry into regional phase | 24.09.1987 | National basic fee paid | 24.09.1987 | Search fee paid | 24.09.1987 | Designation fee(s) paid | 24.09.1987 | Examination fee paid | Examination procedure | 24.09.1987 | Examination requested [1988/08] | 01.08.1990 | Application deemed to be withdrawn, date of legal effect [1992/09] | 18.09.1991 | Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time [1992/09] | Fees paid | Renewal fee | 12.12.1988 | Renewal fee patent year 03 | Penalty fee | Additional fee for renewal fee | 31.01.1990 | 04 M06 Not yet paid | 31.01.1991 | 05 M06 Not yet paid |
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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 | JP55002758 [ ]; | [X]WO7900398 (FOSECO INT [GB]); | [X]DE2911657 (TOYO SODA MFG CO LTD); | [XD]US4173466 (BRYANT MICHAEL D [GB], et al); | [A]US4401465 (NEELAMEGGHAM RAMASWAMI [US], et al) | [ ] - PATENT ABSTRACTS OF JAPAN, vol. 4, no. 26 (C-1)[508], 6th March 1980; & JP-A-55 002 758 (DENKI KAGAKU KOGYO K.K.) 10-01-1980, & JP55002758 A 00000000 | International search | [X]US4137072 (KAWAKAMI NOBORU, et al); | [A]US4139369 (KANDLER JOACHIM, et al); | [A]US4182625 (BAKER DON R [US], et al); | [A]US4209325 (COOPER STEPHEN M [GB], et al) |