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Extract from the Register of European Patents

EP About this file: EP0371731

EP0371731 - Quinazolinone derivatives [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  23.02.1995
Database last updated on 31.08.2024
Most recent event   Tooltip26.04.2002Lapse of the patent in a contracting state
New state(s): ES
published on 12.06.2002  [2002/24]
Applicant(s)For all designated states
SMITH KLINE & FRENCH LABORATORIES LIMITED
Mundells Welwyn Garden City
Hertfordshire, AL7 1EY / GB
[N/P]
Former [1990/23]For all designated states
SMITH KLINE & FRENCH LABORATORIES LIMITED
Mundells
Welwyn Garden City Hertfordshire, AL7 1EY / GB
Inventor(s)01 / Coates, William John
Smith Kline Beecham, The Frythe
Welwyn Garden City Hertfordshire AL6 9AR / GB
02 / Kruse, Lawrence Ivan
9 Great Valley Parkway
Malvern PA Pennsylvia 19355 / US
[1993/49]
Former [1990/23]01 / Coates, William John
3 Rooks Hill
Welwyn Garden City Hertfordshire AL8 6EU / GB
02 / Kruse, Lawrence Ivan
9 Great Valley Parkway
Malvern PA Pennsylvia 19355 / US
Representative(s)Waters, David Martin, et al
GlaxoSmithKline Corporate Intellectual Property (CN9.25.1) 980 Great West Road
Brentford, Middlesex TW8 9GS / GB
[N/P]
Former [1995/01]Waters, David Martin, Dr., et al
Smithkline Beecham plc Corporate Intellectual Property SB House Great West Road
Brentford, Middlesex TW8 9BD / GB
Former [1990/23]Waters, David Martin, Dr.
SmithKline Beecham plc Corporate Intellectual Property SB House Great West Road
Brentford, Middlesex TW8 9BD / GB
Application number, filing date89312295.227.11.1989
[1990/23]
Priority number, dateGB1988002798830.11.1988         Original published format: GB 8827988
[1990/23]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0371731
Date:06.06.1990
Language:EN
[1990/23]
Type: A3 Search report 
No.:EP0371731
Date:02.01.1991
Language:EN
[1991/01]
Type: B1 Patent specification 
No.:EP0371731
Date:20.04.1994
Language:EN
[1994/16]
Search report(s)(Supplementary) European search report - dispatched on:EP13.11.1990
ClassificationIPC:C07D239/91, C07C237/42, A61K31/505
[1990/23]
CPC:
C07D239/91 (EP,US); A61P11/08 (EP); A61P9/08 (EP);
A61P9/12 (EP); C07C237/42 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1990/23]
TitleGerman:Chinazolinon-Derivate[1990/23]
English:Quinazolinone derivatives[1990/23]
French:Dérivés de quinazolinone[1990/23]
Examination procedure20.06.1991Examination requested  [1991/34]
30.03.1993Despatch of a communication from the examining division (Time limit: M04)
14.06.1993Reply to a communication from the examining division
08.07.1993Despatch of communication of intention to grant (Approval: Yes)
21.10.1993Communication of intention to grant the patent
21.12.1993Fee for grant paid
21.12.1993Fee for publishing/printing paid
Opposition(s)21.01.1995No opposition filed within time limit [1995/15]
Fees paidRenewal fee
21.10.1991Renewal fee patent year 03
12.10.1992Renewal fee patent year 04
08.10.1993Renewal fee patent year 05
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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  TooltipAT20.04.1994
ES20.04.1994
GR20.04.1994
SE20.04.1994
GB27.11.1994
BE30.11.1994
CH30.11.1994
LI30.11.1994
LU30.11.1994
[2002/24]
Former [2002/23]AT20.04.1994
GR20.04.1994
SE20.04.1994
GB27.11.1994
BE30.11.1994
CH30.11.1994
LI30.11.1994
LU30.11.1994
Former [2000/04]AT20.04.1994
GR20.04.1994
GB27.11.1994
BE30.11.1994
CH30.11.1994
LI30.11.1994
LU30.11.1994
Former [1996/04]AT20.04.1994
GB27.11.1994
BE30.11.1994
CH30.11.1994
LI30.11.1994
Former [1995/44]AT20.04.1994
GB27.11.1994
CH30.11.1994
LI30.11.1994
Former [1995/36]AT20.04.1994
CH30.11.1994
LI30.11.1994
Former [1995/02]AT20.04.1994
Documents cited:Search[YD]JP5251378  ;
 [Y]GB1523081  (ERBA CARLO SPA);
 [Y]EP0058822  (AMERICAN CYANAMID CO [US])
 [YD]  - CHEMICAL ABSTRACTS, vol. 87, 1977, page 734, abstract no. 201571g, Columbus, Ohio, US; & JP-A-52 51 378 (CHUGAI PHARMACEUTICAL CO., LTD) 25-04-1977, & JP5251378 A 00000000
 [X]  - TETRAHEDRON, vol. 29, 1973, pages 3173-3176, Pergamon Press Ltd, London, GB; G. SUBRAHMANYAM et al.: "Benzisoxazolium cations-II"
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.