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Extract from the Register of European Patents

EP About this file: EP0246114

EP0246114 - Photochromic spiropyran compounds [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.07.1993
Database last updated on 16.07.2024
Most recent event   Tooltip28.11.2003Lapse 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 date87304351.715.05.1987
[1987/47]
Priority number, dateGB1986001183715.05.1986         Original published format: GB 8611837
[1987/47]
Filing languageEN
Procedural languageEN
PublicationType: 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:EP27.11.1989
ClassificationIPC: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 statesAT,   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 
TitleGerman:Fotochrome Spiropyran-Verbindungen[1987/47]
English:Photochromic spiropyran compounds[1987/47]
French:Composés de spiropyranne photochromiques[1987/47]
Examination procedure21.03.1990Examination requested  [1990/20]
28.06.1991Despatch of a communication from the examining division (Time limit: M04)
14.10.1991Reply to a communication from the examining division
07.11.1991Despatch of communication of intention to grant (Approval: Yes)
03.03.1992Communication of intention to grant the patent
01.06.1992Fee for grant paid
01.06.1992Fee for publishing/printing paid
Opposition(s)03.06.1993No opposition filed within time limit [1993/34]
Fees paidRenewal fee
16.05.1989Renewal fee patent year 03
16.05.1990Renewal fee patent year 04
17.05.1991Renewal fee patent year 05
11.05.1992Renewal fee patent year 06
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competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
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  TooltipAT02.09.1992
BE02.09.1992
CH02.09.1992
GR02.09.1992
LI02.09.1992
SE02.09.1992
ES13.12.1992
LU31.05.1993
[2004/03]
Former [2000/04]AT02.09.1992
BE02.09.1992
CH02.09.1992
GR02.09.1992
LI02.09.1992
SE02.09.1992
LU31.05.1993
Former [1994/18]AT02.09.1992
BE02.09.1992
CH02.09.1992
LI02.09.1992
SE02.09.1992
Former [1993/19]BE02.09.1992
CH02.09.1992
LI02.09.1992
SE02.09.1992
Former [1993/16]CH02.09.1992
LI02.09.1992
SE02.09.1992
Former [1993/13]CH02.09.1992
LI02.09.1992
Documents cited:Search[A]EP0140540  (PLESSEY CO PLC [GB]);
 [A]EP0141407  (PPG INDUSTRIES INC [US])
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.