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EP0040362
European procedure
Extract from the Register of European Patents
EP About this file: EP0040362
| EP0040362 - A process for producing silica and use of same [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.01.1986 Database last updated on 02.11.2024 | Most recent event Tooltip | 11.07.2008 | Change - representative | published on 13.08.2008 [2008/33] | Applicant(s) | For all designated states Phillips Petroleum Company 5th and Keeler Bartlesville Oklahoma 74004 / US | [N/P] |
| Former [1981/47] | For all designated states PHILLIPS PETROLEUM COMPANY 5th and Keeler Bartlesville Oklahoma 74004 / US | Inventor(s) | 01 /
McDaniel, Max Paul 1601 S.E. Melmart Drive Bartlesville Oklahoma / US | [1981/47] | Representative(s) | Dost, Wolfgang, et al Bardehle Pagenberg Partnerschaft Patentanwälte, Rechtsanwälte Postfach 86 06 20 81633 München / DE | [N/P] |
| Former [2008/33] | Dost, Wolfgang, et al Patent- und Rechtsanwälte Bardehle . Pagenberg . Dost . Altenburg . Geissler Postfach 86 06 20 81633 München / DE | ||
| Former [1983/01] | Dost, Wolfgang, Dr.rer.nat., Dipl.-Chem., et al Patent- und Rechtsanwälte Bardehle . Pagenberg . Dost . Altenburg . Frohwitter . Geissler & Partner Galileiplatz 1 D-81679 München / DE | ||
| Former [1981/47] | Dost, Wolfgang, Dr. Patent- u. Rechtsanwälte Pagenberg-Dost-Altenburg Galileiplatz 1 D-8000 München 80 / DE | Application number, filing date | 81103459.4 | 07.05.1981 | [1981/47] | Priority number, date | US19800151847 | 21.05.1980 Original published format: US 151847 | [1981/47] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0040362 | Date: | 25.11.1981 | Language: | EN | [1981/47] | Type: | B1 Patent specification | No.: | EP0040362 | Date: | 13.03.1985 | Language: | EN | [1985/11] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.08.1981 | Classification | IPC: | C01B33/152 | [1981/47] | CPC: |
C08F10/00 (EP,US);
B01J21/08 (EP,US);
C01B33/163 (EP,US)
| C-Set: |
C08F10/00, C08F4/025 (EP,US);
C08F10/00, C08F4/24 (US,EP);
C08F10/00, C08F4/78 (US,EP)
| Designated contracting states | AT, BE, DE, FR, IT, LU [1981/47] | Title | German: | Verfahren zur Herstellung von Siliciumdioxid und dessen Verwendung | [1981/47] | English: | A process for producing silica and use of same | [1981/47] | French: | Procédé pour la préparation de la silice et son emploi | [1981/47] | Examination procedure | 29.10.1981 | Examination requested [1982/01] | 17.05.1982 | Despatch of a communication from the examining division (Time limit: M07) | 21.04.1983 | Reply to a communication from the examining division | 06.09.1983 | Despatch of a communication from the examining division (Time limit: M04) | 05.01.1984 | Reply to a communication from the examining division | 08.06.1984 | Despatch of communication of intention to grant (Approval: ) | 09.08.1984 | Communication of intention to grant the patent | 15.11.1984 | Fee for grant paid | 15.11.1984 | Fee for publishing/printing paid | Opposition(s) | 14.12.1985 | No opposition filed within time limit [1986/10] | Request for further processing for: | 21.04.1983 | Request for further processing filed | 21.04.1983 | Full payment received (date of receipt of payment) Request granted | 27.05.1983 | Decision despatched | Fees paid | Renewal fee | 21.03.1983 | Renewal fee patent year 03 | 07.04.1984 | 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 | DE1811353 [ ] (FRANCE ETAT); | DE1963439 [ ] (DYNAMIT NOBEL AG); | US3850971 [ ] (BLEH O, et al); | DD114245 [ ]; | GB2001044 [ ] (STAMICARBON) | Examination | US4006175 |