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EP0139884
European procedure
Extract from the Register of European Patents
EP About this file: EP0139884
| EP0139884 - Method of forming ohmic contacts [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.11.1989 Database last updated on 27.07.2024 | Most recent event Tooltip | 30.11.1989 | No opposition filed within time limit | published on 17.01.1990 [1990/03] | Applicant(s) | For all designated states Sohio Commercial Development Co. Midland Building Cleveland Ohio 44115 / US | For all designated states BP Photovoltaics Ltd. Britannic House Moor Lane London / GB | [N/P] |
| Former [1985/19] | For all designated states Sohio Commercial Development Co. Midland Building Cleveland Ohio 44115 / US | ||
| For all designated states BP Photovoltaics Ltd. Britannic House Moor Lane London / GB | Inventor(s) | 01 /
Basol, Bulent M. 3444 Greenwood Avenue Los Angeles, California / US | [1985/19] | Representative(s) | Baillie, Iain Cameron, et al Ladas & Parry, Dachauerstrasse 37 80335 München / DE | [N/P] |
| Former [1985/19] | Baillie, Iain Cameron, et al c/o Ladas & Parry Altheimer Eck 2 D-80331 München / DE | Application number, filing date | 84108747.1 | 24.07.1984 | [1985/19] | Priority number, date | US19830524411 | 18.08.1983 Original published format: US 524411 | [1985/19] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0139884 | Date: | 08.05.1985 | Language: | EN | [1985/19] | Type: | B1 Patent specification | No.: | EP0139884 | Date: | 11.01.1989 | Language: | EN | [1989/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.02.1985 | Classification | IPC: | H01L21/465, H01L21/443 | [1985/19] | CPC: |
H01L21/443 (EP,US);
H01L21/465 (EP,US);
Y02E10/543 (EP,US);
Y10S438/974 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT [1985/19] | Title | German: | Verfahren zum Herstellen ohmscher Kontakte | [1985/19] | English: | Method of forming ohmic contacts | [1985/19] | French: | Procédé de fabrication de contacts ohmiques | [1985/19] | Examination procedure | 24.10.1985 | Examination requested [1986/02] | 15.05.1987 | Despatch of a communication from the examining division (Time limit: M04) | 24.09.1987 | Reply to a communication from the examining division | 16.03.1988 | Despatch of communication of intention to grant (Approval: Yes) | 06.07.1988 | Communication of intention to grant the patent | 05.09.1988 | Fee for grant paid | 05.09.1988 | Fee for publishing/printing paid | Opposition(s) | 12.10.1989 | No opposition filed within time limit [1990/03] | Fees paid | Renewal fee | 23.06.1986 | Renewal fee patent year 03 | 06.07.1987 | Renewal fee patent year 04 | 18.06.1988 | 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]EP0045195 (EASTMAN KODAK CO [US]) | [A] - JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 128, Nr. 4, April 1981, Manchester, USA; P. GAUGASH et al. "Etching of cadmium telluride", pages 924-926 |