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Extract from the Register of European Patents

EP About this file: EP0297657

EP0297657 - Dehydrogenation catalyst [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  20.05.1993
Database last updated on 19.07.2024
Most recent event   Tooltip20.05.1993No opposition filed within time limitpublished on 07.07.1993 [1993/27]
Applicant(s)For all designated states
Shell Internationale Research Maatschappij B.V.
Carel van Bylandtlaan 30
2596 HR Den Haag / NL
[N/P]
Former [1989/01]For all designated states
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
Carel van Bylandtlaan 30
NL-2596 HR Den Haag / NL
Inventor(s)01 / Dejaifve, Pierre Eugène Shell Recherche S.A.
Centre de Recherche de Grand-Couronne
Route de Caen F-76530 Grand Couronne / FR
02 / Dufour, Jacques Julien Jean Shell Recherche S.A.
Centre de Recherche de Grand-Couronne
Route de Caen F-76530 Grand Couronne / FR
03 / Darnanville, Jean-Paul Shell Recherche S.A.
Centre de Recherche de Grand-Couronne
Route de Caen F-76530 Grand Couronne / FR
04 / Garin, Roland Albert Charles Shell Recherche S.A.
Centre de Recherche de Grand-Couronne
Route de Caen F-76530 Grand Couronne / FR
[1989/01]
Representative(s)(deleted)
[1992/29]
Former [1991/36]Tuijn, Jan Warnaar, et al
Shell Internationale Research Maatschappij B.V. Intellectual Property Division P.O. Box 162
NL-2501 AN Den Haag / NL
Former [1989/01]Aalbers, Onno
P.O. Box 162
NL-2501 AN The Hague / NL
Application number, filing date88201284.221.06.1988
[1989/01]
Priority number, dateFR1987000914929.06.1987         Original published format: FR 8709149
[1989/01]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0297657
Date:04.01.1989
Language:EN
[1989/01]
Type: B1 Patent specification 
No.:EP0297657
Date:15.07.1992
Language:EN
[1992/29]
Search report(s)(Supplementary) European search report - dispatched on:EP10.10.1988
ClassificationIPC:B01J23/82, C07C5/333, C07C15/46
[1989/01]
CPC:
B01J23/835 (EP,KR,US); B01J23/62 (KR); B01J23/63 (KR);
B01J23/83 (KR); C07C5/3332 (EP,US)
C-Set:
C07C5/3332, C07C15/46 (EP,US)
Designated contracting statesBE,   DE,   ES,   FR,   GB,   GR,   IT,   NL,   SE [1989/01]
TitleGerman:Dehydrierungskatalysator[1989/01]
English:Dehydrogenation catalyst[1989/01]
French:Catalyseur de déshydrogénation[1989/01]
Examination procedure08.06.1989Examination requested  [1989/38]
09.11.1990Despatch of a communication from the examining division (Time limit: M04)
11.02.1991Reply to a communication from the examining division
21.06.1991Despatch of communication of intention to grant (Approval: No)
02.12.1991Despatch of communication of intention to grant (Approval: later approval)
06.12.1991Communication of intention to grant the patent
06.01.1992Fee for grant paid
06.01.1992Fee for publishing/printing paid
Opposition(s)16.04.1993No opposition filed within time limit [1993/27]
Fees paidRenewal fee
02.05.1990Renewal fee patent year 03
10.05.1991Renewal fee patent year 04
29.06.1992Renewal fee patent year 05
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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[AD]US3364277  (SIEM ROY C);
 [A]FR2266738  (RAFFINAGE CIE FRANCAISE [FR]);
 [A]US4460706  (IMANARI MAKOTO [JP], et al);
 [A]EP0181999  (SUED CHEMIE AG [DE]);
 [APD]FR2592375  (SHELL INT RESEARCH [NL])
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.