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Extract from the Register of European Patents

EP About this file: EP0019959

EP0019959 - Process for the preparation of light hydrocarbon fractions [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  31.03.1990
Database last updated on 29.03.2025
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
Shell Internationale Research Maatschappij B.V.
Carel van Bylandtlaan 30
2596 HR Den Haag / NL
[N/P]
Former [1980/25]For all designated states
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
Carel van Bylandtlaan 30
NL-2596 HR Den Haag / NL
Inventor(s)01 / Bode, Dirk
Badhuisweg 3
NL-1031 CM Amsterdam / NL
02 / Janssen, Martinus Maria Petrus
Badhuisweg 3
NL-1031 CM Amsterdam / NL
[1980/25]
Representative(s)Aalbers, Onno, et al
P.O. Box 162
2501 AN Den Haag / NL
[N/P]
Former [1990/14]Aalbers, Onno, et al
P.O. Box 162
NL-2501 AN The Hague / NL
Former [1983/41]Puister, Antonius Tonnis, Mr.
P.O. Box 302
NL-2501 CH The Hague / NL
Former [1980/25]Keuzenkamp, Abraham
c/o SHELL Internationale Research Maatschappij B.V. P.O. Box 302
NL-2501 CH 's-Gravenhage / NL
Application number, filing date80200435.809.05.1980
[1980/25]
Priority number, dateNL1979000411725.05.1979         Original published format: NL 7904117
[1980/25]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0019959
Date:10.12.1980
Language:EN
[1980/25]
Type: A3 Search report 
No.:EP0019959
Date:14.01.1981
Language:EN
[1981/02]
Type: B1 Patent specification 
No.:EP0019959
Date:12.10.1983
Language:EN
[1983/41]
Type: B2 New European patent specification 
No.:EP0019959
Date:16.05.1990
Language:EN
[1990/20]
Search report(s)(Supplementary) European search report - dispatched on:EP14.11.1980
ClassificationIPC:C10G47/20, C10G65/12
[1980/25]
CPC:
C10G47/20 (EP); C10G65/12 (EP); B65G2812/02108 (EP)
Designated contracting statesBE,   DE,   FR,   GB,   IT [1980/25]
TitleGerman:Verfahren zur Herstellung leichter Kohlenwasserstofffraktionen[1980/25]
English:Process for the preparation of light hydrocarbon fractions[1980/25]
French:Procédé de préparation de fractions légères d'hydrocarbures[1980/25]
Examination procedure10.06.1981Examination requested  [1981/35]
08.06.1982Despatch of a communication from the examining division (Time limit: M04)
09.09.1982Reply to a communication from the examining division
15.12.1982Despatch of communication of intention to grant (Approval: )
16.03.1983Communication of intention to grant the patent
15.04.1983Fee for grant paid
15.04.1983Fee for publishing/printing paid
Opposition(s)Opponent(s)01  10.07.1984  22.08.1984  ADMISSIBLE
BASF Aktiengesellschaft
-Patentabteilung - C6- Carl-Bosch-Strasse 38
D-67056 Ludwigshafen / DE
 02  10.07.1984  06.08.1984  ADMISSIBLE
Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern
Bayerwerk
D-51368 Leverkusen / DE
 [N/P]
Former [1984/38]
Opponent(s)01  10.07.1984  22.08.1984  ADMISSIBLE
BASF Aktiengesellschaft, Ludwigshafen
-Patentabteilung - C6- Carl-Bosch-Strasse 38
D-67056 Ludwigshafen / DE
 02  10.07.1984  06.08.1984  ADMISSIBLE
Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern
Bayerwerk
D-51368 Leverkusen / DE
23.08.1983Invitation to proprietor to file observations on the notice of opposition
15.12.1984Reply of patent proprietor to notice(s) of opposition
05.03.1985Communication of observations of patent proprietor (Time limit: M03)
03.06.1985Reply of parties involved to observations of patent proprietor
04.05.1988Despatch of a communication from the opposition division (Time limit: M02)
11.01.1989Despatch of interlocutory decision in opposition
07.11.1989Legal effect of interlocutory decision in opposition
21.12.1989Despatch of communication that the patent will be maintained as amended
29.01.1990Fee for printing new specification paid
Appeal following opposition29.10.1986Appeal received No.  T0051/89
09.01.1987Statement of grounds filed
07.11.1989Result of appeal procedure: appeal of the opponent inadmissible
Fees paidRenewal fee
23.04.1982Renewal fee patent year 03
15.04.1983Renewal fee patent year 04
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Documents cited:SearchUS3959180  [ ];
 US3622501  [ ];
 US3549518  [ ];
 US3867277  [ ]
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.