EP0242188 - Method of making silicon nitride precursor [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 22.10.1992 Database last updated on 16.11.2024 | Most recent event Tooltip | 29.09.1993 | Lapse of the patent in a contracting state New state(s): GB | published on 18.11.1993 [1993/46] | Applicant(s) | For:GB
Ford Motor Company Limited Eagle Way Brentwood Essex CM13 3BW / GB | For:FR
FORD FRANCE SOCIETE ANONYME 344 Avenue Napoléon Bonaparte B.P. 307 92506 Rueil Malmaison Cedex / FR | For:DE
FORD-WERKE AKTIENGESELLSCHAFT Henry-Ford-Strasse 1 50725 Köln / DE | [N/P] |
Former [1987/43] | For:GB
FORD MOTOR COMPANY LIMITED Eagle Way Brentwood, Essex CM13 3BW / GB | ||
For:FR
FORD FRANCE SOCIETE ANONYME 344 Avenue Napoléon Bonaparte B.P. 307 F-92506 Rueil Malmaison Cedex / FR | |||
For:DE
FORD-WERKE AKTIENGESELLSCHAFT D-50725 Köln / DE | Inventor(s) | 01 /
Crosbie, Gary Mark 1436 Culver Avenue Dearborn Michigan 48124 / US | 02 /
Predmesky, Ronald Leonard 9220 Sioux Redford Michigan 48239 / US | [1987/43] | Representative(s) | Messulam, Alec Moses, et al Harrison IP Limited 3 Ebor House London Ebor Business Park Millfield Lane Nether Poppleton York YO26 6QY / GB | [N/P] |
Former [1987/43] | Messulam, Alec Moses, et al A. Messulam & Co. 24 Broadway Leigh on Sea Essex SS9 1BN / GB | Application number, filing date | 87303289.0 | 14.04.1987 | [1987/43] | Priority number, date | US19860853539 | 18.04.1986 Original published format: US 853539 | [1987/43] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0242188 | Date: | 21.10.1987 | Language: | EN | [1987/43] | Type: | A3 Search report | No.: | EP0242188 | Date: | 01.06.1988 | Language: | EN | [1988/22] | Type: | B1 Patent specification | No.: | EP0242188 | Date: | 18.12.1991 | Language: | EN | [1991/51] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.04.1988 | Classification | IPC: | C01B21/087 | [1987/43] | CPC: |
C01B21/068 (EP,US);
C01B21/087 (EP,US)
| Designated contracting states | DE, FR, GB [1987/43] | Title | German: | Verfahren zum Herstellen eines Siliziumnitridrohstoffs | [1987/43] | English: | Method of making silicon nitride precursor | [1987/43] | French: | Procédé de préparation d'un précurseur de nitrure de silicium | [1987/43] | File destroyed: | 12.06.1999 | Examination procedure | 05.08.1988 | Examination requested [1988/40] | 16.01.1990 | Despatch of a communication from the examining division (Time limit: M04) | 22.05.1990 | Reply to a communication from the examining division | 01.03.1991 | Despatch of communication of intention to grant (Approval: Yes) | 21.06.1991 | Communication of intention to grant the patent | 10.07.1991 | Fee for grant paid | 10.07.1991 | Fee for publishing/printing paid | Opposition(s) | 19.09.1992 | No opposition filed within time limit [1992/50] | Fees paid | Renewal fee | 03.04.1989 | Renewal fee patent year 03 | 15.03.1990 | Renewal fee patent year 04 | 25.03.1991 | 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. | Lapses during opposition Tooltip | DE | 05.03.1992 | GB | 14.04.1992 | [1993/46] |
Former [1992/33] | DE | 05.03.1992 | Documents cited: | Search | [A]JP5855315 ; | [Y]US4405589 (IWAI TADASHI [JP], et al); | [A]USRE31788E | [Y] - CHEM. BER, vol. 36, 1930, pages 4220-4228, M. BLIX und W. Wirbelauer: "Ueber das Siliciumsulfochlorid, SiSCl2, Siliciumimid, Si(NH)2, Siliciumstickstoffimid (Silicam), Si2N3H und den Siliciumstickstoff, Si3N4" | [A] - CHEMICAL ABSTRACTS OF JAPAN, vol. 99, no. 6, 1983, page 123, abstract no. 40624g, Columbus, Ohio, US; & JP-A-58 55 315 (TOYO SODA MFG. CO., LTD.) 01-04-1983, & JP5855315 A 00000000 |