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Extract from the Register of European Patents

EP About this file: EP0641307

EP0641307 - AN IMPROVED PROCESS FOR PREPARING DINITROTOLUENE [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  02.08.1996
Database last updated on 30.10.2024
Most recent event   Tooltip02.08.1996Application deemed to be withdrawnpublished on 18.09.1996 [1996/38]
Applicant(s)For all designated states
OLIN CORPORATION
350 Knotter Drive P.O. Box 586
Cheshire, CT 06410-0586 / US
[1995/10]
Inventor(s)01 / QUAKENBUSH, Allen, B. Route 11
Box 1084
Lake Charles, LA 70611 / US
[1995/10]
Representative(s)Baker, Colin John, et al
Withers & Rogers LLP
4 More London Riverside
London
SE1 2AU / GB
[N/P]
Former [1995/35]Baker, Colin John, et al
Withers & Rogers, 4 Dyer's Buildings, Holborn
London EC1N 2JT / GB
Former [1995/10]Badcock, Michèle
Withers & Rogers 4 Dyer's Buildings Holborn
London EC1N 2JT / GB
Application number, filing date92910136.814.02.1992
[1995/10]
WO1992US01065
Priority number, dateUS1991066633008.03.1991         Original published format: US 666330
[1995/10]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9215550
Date:17.09.1992
Language:EN
[1992/24]
Type: A1 Application with search report 
No.:EP0641307
Date:08.03.1995
Language:EN
The application published by WIPO in one of the EPO official languages on 17.09.1992 takes the place of the publication of the European patent application.
[1995/10]
Search report(s)International search report - published on:US17.09.1992
(Supplementary) European search report - dispatched on:EP22.12.1993
ClassificationIPC:C07C205/06, C07C201/08
[1995/10]
CPC:
C07C201/08 (EP,US)
C-Set:
C07C201/08, C07C205/06 (EP,US)
Designated contracting statesDE,   ES,   FR,   GB,   IT,   NL [1995/10]
TitleGerman:VERBESSERTES VERFAHREN ZUR HERSTELLUNG VON DINITROTOLUOL[1995/10]
English:AN IMPROVED PROCESS FOR PREPARING DINITROTOLUENE[1995/10]
French:PROCEDE AMELIORE DE PREPARATION DE DINITROTOLUENE[1995/10]
File destroyed:20.04.2002
Entry into regional phase28.09.1993National basic fee paid 
28.09.1993Search fee paid 
28.09.1993Designation fee(s) paid 
28.09.1993Examination fee paid 
Examination procedure15.09.1992Request for preliminary examination filed
International Preliminary Examining Authority: DE
28.09.1993Examination requested  [1995/10]
05.09.1995Despatch of communication of intention to grant (Approval: Yes)
15.12.1995Communication of intention to grant the patent
26.03.1996Application deemed to be withdrawn, date of legal effect  [1996/38]
24.04.1996Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time  [1996/38]
Fees paidRenewal fee
17.12.1993Renewal fee patent year 03
28.12.1994Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
29.02.199605   M06   Not yet paid
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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]US3178481  (HAUZE RALPH C) [A] 1 * the whole document *
International search[A]US3928395  (SEHA ZDENEK, et al);
 [A]US3957889  (MILLIGAN BARTON, et al);
 [A]US4064147  (THELEN BERND, et al);
 [A]US4804792  (MASON ROBERT W [US], et al);
 [A]US4918250  (MASON ROBERT W [US], et al);
 [AP]US5001272  (MASON ROBERT W [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.