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EP0124350
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EP About this file: EP0124350
| EP0124350 - Monitoring deflocculated particles in a suspension [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 20.10.1988 Database last updated on 24.08.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states ECC INTERNATIONAL LIMITED John Keay House St. Austell Cornwall PL25 4DJ / GB | [N/P] |
| Former [1986/33] | For all designated states ECC INTERNATIONAL LIMITED John Keay House St. Austell Cornwall PL25 4DJ / GB | ||
| Former [1984/45] | For all designated states ENGLISH CLAYS LOVERING POCHIN & COMPANY LIMITED John Keay House St. Austell Cornwall PL25 4DJ / GB | Inventor(s) | 01 /
Jennings, Barry Randall Corner Cottage Guildford Road Ottershaw Chertsey Surrey, KT16 9RU / GB | 02 /
Trimm, Harold Henry 500 Plaza Drive Building 6 Apartment 19 Binghamton New York 13903 / US | 03 /
Webb, Terence Wilfred 13, Westbourne Drive St. Austell Cornwall / GB | 04 /
Watson, David John 22, Windrush Crescent Malvern Worcestershire / GB | [1984/45] | Representative(s) | Newstead, Michael John, et al Haseltine Lake LLP Lincoln House, 5th floor 300 High Holborn London, WC1V 7JH / GB | [N/P] |
| Former [1984/45] | Newstead, Michael John, et al Haseltine Lake & Co. 28 Southampton Buildings Chancery Lane London, WC2A 1AT / GB | Application number, filing date | 84302806.9 | 26.04.1984 | [1984/45] | Priority number, date | GB19830011800 | 29.04.1983 Original published format: GB 8311800 | GB19840006835 | 15.03.1984 Original published format: GB 8406835 | GB19840006836 | 15.03.1984 Original published format: GB 8406836 | [1984/45] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0124350 | Date: | 07.11.1984 | Language: | EN | [1984/45] | Type: | A3 Search report | No.: | EP0124350 | Date: | 08.01.1986 | Language: | EN | [1986/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.11.1985 | Classification | IPC: | G01N15/06, G01N21/53 | [1984/45] | CPC: |
G01N21/53 (EP);
G01N15/0205 (EP);
G01N2015/0092 (EP);
G01N2015/0216 (EP)
| Designated contracting states | AT, BE, CH, DE, FR, IT, LI, LU, NL, SE [1984/45] | Title | German: | Verfahren zur Kontrolle der Auseinanderballung von Teilchen in einer Suspension | [1984/45] | English: | Monitoring deflocculated particles in a suspension | [1984/45] | French: | Procédé pour le contrôle de la défloculation des articles dans une suspension | [1984/45] | File destroyed: | 08.08.1994 | Examination procedure | 09.05.1984 | Examination requested [1984/45] | 03.11.1987 | Despatch of communication of intention to grant (Approval: Yes) | 23.02.1988 | Communication of intention to grant the patent | 07.06.1988 | Application deemed to be withdrawn, date of legal effect [1988/49] | 08.07.1988 | Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time [1988/49] | Fees paid | Renewal fee | 22.04.1986 | Renewal fee patent year 03 | 23.04.1987 | Renewal fee patent year 04 | 20.04.1988 | Renewal fee patent year 05 |
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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]FR2266881 | [AD] - J. CHEM. PHYS., vol. 50, no. 2, 1969, pages 1033-1034; H. PLUMMER et al.: "Light scattering by rodlike macromolecules oriented in alternating electric fields" | [AD] - 6TH NATIONAL CONFERENCE ON CLAYS AND CLAY MINERALS, 1959, pages 220-236, Berkeley; A. KAHN: "Studies on the size and shape of clay particles in aqueous suspension" | [AD] - THE JOURNAL OF PHYSICAL CHEMISTRY, vol. 58, no. 10, October 18, 1954, pages 801-804, The American Chemical Society; A. KAHN et al.: "The size of sodium montmorillonite particles in suspension from electro-optical birefringence studies" |