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Extract from the Register of European Patents

EP About this file: EP0264008

EP0264008 - Process for the preparation of 5-methyl tetrazole [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  26.11.1994
Database last updated on 14.09.2024
Most recent event   Tooltip23.07.2004Lapse of the patent in a contracting state
New state(s): ES		published on 08.09.2004  [2004/37]
Applicant(s)For all designated states
Dynamit Nobel Aktiengesellschaft
53839 Troisdorf / DE
[N/P]
Former [1988/16]For all designated states
Dynamit Nobel Aktiengesellschaft
D-53839 Troisdorf / DE
Inventor(s)01 / Bison, Günter
Kleiststrasse 6
D-5210 Troisdorf 5 / DE
02 / Schlupp, Johannes, Dr.
Pützweg 9
D-5060 Bergisch-Gladbach / DE
03 / Winterscheid, Josef
Kahnweg 2
D-5205 St. Augustin 1 / DE
04 / Thewalt, Klaus, Dr.
Am Tiemen 12
D-5810 Witten / DE
[1988/16]
Application number, filing date87114023.225.09.1987
[1988/16]
Priority number, dateDE1986363471711.10.1986         Original published format: DE 3634717
[1988/16]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0264008
Date:20.04.1988
Language:DE
[1988/16]
Type: A3 Search report 
No.:EP0264008
Date:29.11.1989
Language:DE
[1989/48]
Type: B1 Patent specification 
No.:EP0264008
Date:26.01.1994
Language:DE
[1994/04]
Search report(s)(Supplementary) European search report - dispatched on:EP10.10.1989
ClassificationIPC:C07D257/04
[1988/16]
CPC:
C07D257/04 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1988/16]
TitleGerman:Verfahren zur Herstellung von 5-Methyltetrazol[1988/16]
English:Process for the preparation of 5-methyl tetrazole[1988/16]
French:Procédé de préparation de 5-méthyltétranole[1988/16]
Examination procedure27.04.1990Examination requested  [1990/26]
08.04.1992Despatch of a communication from the examining division (Time limit: M06)
19.10.1992Reply to a communication from the examining division
09.12.1992Despatch of a communication from the examining division (Time limit: M02)
20.01.1993Reply to a communication from the examining division
21.06.1993Despatch of communication of intention to grant (Approval: Yes)
08.07.1993Communication of intention to grant the patent
15.07.1993Fee for grant paid
15.07.1993Fee for publishing/printing paid
Opposition(s)27.10.1994No opposition filed within time limit [1995/03]
Fees paidRenewal fee
09.09.1989Renewal fee patent year 03
10.09.1990Renewal fee patent year 04
22.12.1990Renewal fee patent year 05
05.09.1992Renewal fee patent year 06
03.09.1993Renewal fee patent year 07
Opt-out from the exclusive  Tooltip
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  TooltipGR26.01.1994
AT25.09.1994
GB25.09.1994
ES26.09.1994
SE26.09.1994
BE30.09.1994
CH30.09.1994
LI30.09.1994
LU30.09.1994
[2004/37]
Former [2000/04]GR26.01.1994
AT25.09.1994
GB25.09.1994
SE26.09.1994
BE30.09.1994
CH30.09.1994
LI30.09.1994
LU30.09.1994
Former [1996/14]AT25.09.1994
GB25.09.1994
SE26.09.1994
BE30.09.1994
CH30.09.1994
LI30.09.1994
Former [1996/03]GB25.09.1994
SE26.09.1994
BE30.09.1994
CH30.09.1994
LI30.09.1994
Former [1995/44]GB25.09.1994
BE30.09.1994
CH30.09.1994
LI30.09.1994
Former [1995/42]BE30.09.1994
CH30.09.1994
LI30.09.1994
Former [1995/32]CH30.09.1994
LI30.09.1994
Documents cited:Search[AD]US4097479  (LEIPZIG THEODORE J);
 [A]FR2517676  (DELALANDE SA [FR])
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.