EP0246114 - Photochromic spiropyran compounds [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.07.1993 Database last updated on 16.07.2024 | Most recent event Tooltip | 28.11.2003 | Lapse of the patent in a contracting state New state(s): ES | published on 14.01.2004 [2004/03] | Applicant(s) | For all designated states GEC-MARCONI LIMITED The Grove, Warren Lane Stanmore Middlesex HA7 4LY / GB | [N/P] |
Former [1991/11] | For all designated states GEC-MARCONI LIMITED The Grove, Warren Lane Stanmore, Middlesex HA7 4LY / GB | ||
Former [1991/06] | For all designated states GEC-MARCONI LIMITED The Grove Warren Lane Stanmore Middlesex HA7 4LY / GB | ||
Former [1987/47] | For all designated states THE PLESSEY COMPANY plc Vicarage Lane Ilford Essex, IG1 4AQ / GB | Inventor(s) | 01 /
Heller, Harry George 135 Pencisely Road Llandaff Cardiff, CF6 10L Wales / GB | 02 /
Oliver, Stephen Nigel 30 St. George's Road Felixstowe Suffolk, IP11 9PL / GB | 03 /
Whittall, John 19 Pen-yr-allt Watford Park Caerphilly Mid-Glamorgan Wales / GB | 04 /
Tomlinson, Ian 3316 Birchfield Drive Midlands Michigan, 48640 / US | [1987/47] | Representative(s) | Pope, Michael Bertram Wingate The General Electric Company, p.l.c. GEC Patent Department Waterhouse Lane Chelmsford, Essex CM1 2QX / GB | [1992/11] |
Former [1991/14] | Woodcraft, David Charles BROOKES & MARTIN High Holborn House 52/54 High Holborn London, WC1V 6SE / GB | ||
Former [1991/06] | Nicholson, Ronald The General Electric Company, p.l.c. GEC Patent Department Waterhouse Lane Chelmsford, Essex CM1 2QX / GB | ||
Former [1987/47] | Woodcraft, David Charles BROOKES & MARTIN High Holborn House 52/54 High Holborn London, WC1V 6SE / GB | Application number, filing date | 87304351.7 | 15.05.1987 | [1987/47] | Priority number, date | GB19860011837 | 15.05.1986 Original published format: GB 8611837 | [1987/47] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0246114 | Date: | 19.11.1987 | Language: | EN | [1987/47] | Type: | A3 Search report | No.: | EP0246114 | Date: | 17.01.1990 | Language: | EN | [1990/03] | Type: | B1 Patent specification | No.: | EP0246114 | Date: | 02.09.1992 | Language: | EN | [1992/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.11.1989 | Classification | IPC: | C07D311/96, C07D495/04, C07D493/04, C07D409/04, C07D407/04, G02B1/04, G03C1/72 | [1987/47] | CPC: |
C07D311/96 (EP,US);
C07D311/04 (KR);
C08K5/1545 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GR, IT, LI, LU, NL, SE [1992/31] |
Former [1987/47] | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE | Title | German: | Fotochrome Spiropyran-Verbindungen | [1987/47] | English: | Photochromic spiropyran compounds | [1987/47] | French: | Composés de spiropyranne photochromiques | [1987/47] | Examination procedure | 21.03.1990 | Examination requested [1990/20] | 28.06.1991 | Despatch of a communication from the examining division (Time limit: M04) | 14.10.1991 | Reply to a communication from the examining division | 07.11.1991 | Despatch of communication of intention to grant (Approval: Yes) | 03.03.1992 | Communication of intention to grant the patent | 01.06.1992 | Fee for grant paid | 01.06.1992 | Fee for publishing/printing paid | Opposition(s) | 03.06.1993 | No opposition filed within time limit [1993/34] | Fees paid | Renewal fee | 16.05.1989 | Renewal fee patent year 03 | 16.05.1990 | Renewal fee patent year 04 | 17.05.1991 | Renewal fee patent year 05 | 11.05.1992 | Renewal fee patent year 06 |
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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 | AT | 02.09.1992 | BE | 02.09.1992 | CH | 02.09.1992 | GR | 02.09.1992 | LI | 02.09.1992 | SE | 02.09.1992 | ES | 13.12.1992 | LU | 31.05.1993 | [2004/03] |
Former [2000/04] | AT | 02.09.1992 | |
BE | 02.09.1992 | ||
CH | 02.09.1992 | ||
GR | 02.09.1992 | ||
LI | 02.09.1992 | ||
SE | 02.09.1992 | ||
LU | 31.05.1993 | ||
Former [1994/18] | AT | 02.09.1992 | |
BE | 02.09.1992 | ||
CH | 02.09.1992 | ||
LI | 02.09.1992 | ||
SE | 02.09.1992 | ||
Former [1993/19] | BE | 02.09.1992 | |
CH | 02.09.1992 | ||
LI | 02.09.1992 | ||
SE | 02.09.1992 | ||
Former [1993/16] | CH | 02.09.1992 | |
LI | 02.09.1992 | ||
SE | 02.09.1992 | ||
Former [1993/13] | CH | 02.09.1992 | |
LI | 02.09.1992 | Documents cited: | Search | [A]EP0140540 (PLESSEY CO PLC [GB]); | [A]EP0141407 (PPG INDUSTRIES INC [US]) |