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EP0124194
European procedure
Extract from the Register of European Patents
EP About this file: EP0124194
| EP0124194 - Low toxicity oil-based drilling fluid [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.02.1989 Database last updated on 03.06.2024 | Most recent event Tooltip | 02.02.1989 | No opposition filed within time limit | published on 22.03.1989 [1989/12] | Applicant(s) | For all designated states ConocoPhillips Company 600 North Dairy Ashford Houston, TX 77079 / US | [N/P] |
| Former [1984/45] | For all designated states Conoco Inc. 1000 South Pine Street P.O. Box 1267 Ponca City Oklahoma 74603 / US | Inventor(s) | 01 /
Boyd, Phillip A. Rt. 5, Box 70 Ponca City Oklahoma 74601 / US | [1984/45] | Representative(s) | Woodman, Derek, et al Frank B. Dehn & Co. St Bride's House 10 Salisbury Square London EC4Y 8JD / GB | [N/P] |
| Former [1984/45] | Woodman, Derek, et al Frank B. Dehn & Co. European Patent Attorneys Imperial House 15-19 Kingsway London WC2B 6UZ / GB | Application number, filing date | 84300576.0 | 30.01.1984 | [1984/45] | Priority number, date | US19830463779 | 04.02.1983 Original published format: US 463779 | [1984/45] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0124194 | Date: | 07.11.1984 | Language: | EN | [1984/45] | Type: | A3 Search report | No.: | EP0124194 | Date: | 27.12.1985 | Language: | EN | [1985/52] | Type: | B1 Patent specification | No.: | EP0124194 | Date: | 30.03.1988 | Language: | EN | [1988/13] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.10.1985 | Classification | IPC: | C09K7/06, C09K7/02 | [1984/45] | CPC: |
C09K8/36 (EP,US);
C09K8/26 (EP,US);
Y10S507/905 (EP,US);
Y10S507/907 (EP,US)
| Designated contracting states | FR, GB, NL [1984/45] | Title | German: | Bohrflüssigkeit auf Basis eines schwachgiftigen Öls | [1984/45] | English: | Low toxicity oil-based drilling fluid | [1984/45] | French: | Fluide de forage à base d'huile de faible toxicité | [1984/45] | File destroyed: | 03.03.2001 | Examination procedure | 15.05.1986 | Examination requested [1986/30] | 11.12.1986 | Despatch of a communication from the examining division (Time limit: M04) | 15.04.1987 | Reply to a communication from the examining division | 22.06.1987 | Despatch of communication of intention to grant (Approval: ) | 30.09.1987 | Communication of intention to grant the patent | 22.12.1987 | Fee for grant paid | 22.12.1987 | Fee for publishing/printing paid | Opposition(s) | 31.12.1988 | No opposition filed within time limit [1989/12] | Fees paid | Renewal fee | 14.01.1986 | Renewal fee patent year 03 | 15.01.1987 | Renewal fee patent year 04 | 14.12.1987 | 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]FR1112463 (OIL BASE); | [YP]GB2115458 (MILCHEM INC); | [YP]GB2115459 (MILCHEM INC) |