blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0623163

EP0623163 - ADDITIVES AND FUEL COMPOSITIONS [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  12.12.2003
Database last updated on 29.03.2025
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
ExxonMobil Chemical Patents Inc.
1900 East Linden Avenue
P.O. Box 710
Linden, NJ 07036-0710 / US
[N/P]
Former [2001/22]For all designated states
ExxonMobil Chemical Patents Inc.
1900 East Linden Avenue P.O. Box 710
Linden, NJ 07036-0710 / US
Former [1994/45]For all designated states
EXXON CHEMICAL PATENTS INC.
1900 East Linden Avenue
Linden, New Jersey 07036-0710 / US
Inventor(s)01 / GOBERDHAN, Dhanesh, Gordon 22 Guy Court
King Street
Oxford OX2 6DB / GB
02 / CAPROTTI, Rinaldo
White Witch House East Hanney
Oxfordshire OX12 0HQ / GB
03 / LAING, Margaret, C. 1 Forge Cottages
Malthouse Lane Dorchester-on-Thames
Oxfordshire OX10 7LG / GB
[1994/45]
Representative(s)Franck, Peter, et al
Uexküll & Stolberg Partnerschaft von
Patent- und Rechtsanwälten mbB
Beselerstrasse 4
22607 Hamburg / DE
[N/P]
Former [2003/33]Franck, Peter, et al
Uexküll & Stolberg, Patentanwälte, Beselerstrasse 4
22607 Hamburg / DE
Former [1999/49]Hart, Richard Joseph, et al
Infineum UK Ltd Law Department POB 1 Milton Hill
Abingdon, Oxfordshire OX13 6BB / GB
Former [1994/45]Mansell, Keith Rodney, et al
Exxon Chemical Limited European Patents and Licences Exxon Chemical Technology Centre P O Box 1
GB-Abingdon, Oxfordshire OX13 6BB / GB
Application number, filing date93902205.914.01.1993
[1994/45]
WO1993EP00081
Priority number, dateGB1992000069414.01.1992         Original published format: GB 9200694
[1994/45]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9314178
Date:22.07.1993
Language:EN
[1993/18]
Type: A1 Application with search report 
No.:EP0623163
Date:09.11.1994
Language:EN
The application published by WIPO in one of the EPO official languages on 22.07.1993 takes the place of the publication of the European patent application.
[1994/45]
Type: B1 Patent specification 
No.:EP0623163
Date:14.05.1997
Language:EN
[1997/20]
Search report(s)International search report - published on:EP22.07.1993
ClassificationIPC:C10L1/14
[1994/45]
CPC:
C10L10/14 (EP); C10L1/14 (EP,KR); C10L1/143 (EP);
C10L1/146 (EP); C10L1/1608 (EP); C10L1/1616 (EP);
C10L1/1641 (EP); C10L1/165 (EP); C10L1/1658 (EP);
C10L1/188 (EP); C10L1/1881 (EP); C10L1/1883 (EP);
C10L1/189 (EP); C10L1/1895 (EP); C10L1/191 (EP);
C10L1/195 (EP); C10L1/1955 (EP); C10L1/1963 (EP);
C10L1/1966 (EP); C10L1/1973 (EP); C10L1/198 (EP);
C10L1/1981 (EP); C10L1/1983 (EP); C10L1/1985 (EP);
C10L1/1988 (EP); C10L1/221 (EP); C10L1/2222 (EP);
C10L1/2225 (EP); C10L1/223 (EP); C10L1/2235 (EP);
C10L1/224 (EP); C10L1/232 (EP); C10L1/2364 (EP);
C10L1/2366 (EP); C10L1/2387 (EP); C10L1/2412 (EP);
C10L1/2431 (EP); C10L1/2437 (EP); C10L1/2443 (EP);
C10L1/245 (EP); C10L1/2475 (EP) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1994/45]
TitleGerman:ADDITIVE UND KRAFTSTOFFZUSAMMENSETZUNGEN[1994/45]
English:ADDITIVES AND FUEL COMPOSITIONS[1994/45]
French:ADDITIFS ET COMPOSITIONS DU TYPE COMBUSTIBLE[1994/45]
Entry into regional phase08.07.1994National basic fee paid 
08.07.1994Designation fee(s) paid 
08.07.1994Examination fee paid 
Examination procedure22.07.1993Request for preliminary examination filed
International Preliminary Examining Authority: EP
08.07.1994Examination requested  [1994/45]
24.01.1996Despatch of a communication from the examining division (Time limit: M04)
22.05.1996Reply to a communication from the examining division
04.07.1996Despatch of communication of intention to grant (Approval: No)
15.11.1996Despatch of communication of intention to grant (Approval: later approval)
20.11.1996Communication of intention to grant the patent
03.02.1997Fee for grant paid
03.02.1997Fee for publishing/printing paid
Opposition(s)Opponent(s)01  13.02.1998    ADMISSIBLE
Clariant GmbH
Patente, Marken, Lizenzen Am Unisys-Park 1
65843 Sulzbach / DE
 [N/P]
Former [1998/15]
Opponent(s)01  13.02.1998    ADMISSIBLE
Clariant GmbH Patente, Marken, Lizenzen
Gebäude K 801
65926 Frankfurt am main / DE
19.03.1998Invitation to proprietor to file observations on the notice of opposition
07.09.1998Reply of patent proprietor to notice(s) of opposition
19.11.1999Date of oral proceedings
03.12.1999Despatch of minutes of oral proceedings
03.12.1999Despatch of communication that the patent will be revoked
05.09.2003Legal effect of revocation of patent [2004/05]
Appeal following opposition03.02.2000Appeal received No.  T0134/00
13.04.2000Statement of grounds filed
05.09.2003Result of appeal procedure: appeal of the proprietor was rejected
05.09.2003Date of oral proceedings
15.09.2003Minutes of the oral proceedings despatched
Fees paidRenewal fee
08.07.1994Renewal fee patent year 03
29.12.1995Renewal fee patent year 04
02.01.1997Renewal fee patent year 05
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  TooltipAT14.05.1997
CH14.05.1997
DK14.05.1997
GR14.05.1997
LI14.05.1997
PT14.08.1997
SE14.08.1997
ES24.11.1997
IE14.01.1998
LU31.01.1998
MC31.07.1998
[2004/04]
Former [2003/18]AT14.05.1997
CH14.05.1997
DK14.05.1997
GR14.05.1997
LI14.05.1997
PT14.08.1997
SE14.08.1997
IE14.01.1998
LU31.01.1998
MC31.07.1998
Former [2003/17]AT14.05.1997
CH14.05.1997
DK14.05.1997
GR14.05.1997
LI14.05.1997
PT14.08.1997
SE14.08.1997
IE14.01.1998
LU31.01.1998
MC04.08.1998
Former [2001/01]AT14.05.1997
CH14.05.1997
DK14.05.1997
GR14.05.1997
LI14.05.1997
PT14.08.1997
SE14.08.1997
IE14.01.1998
LU31.01.1998
MC31.07.1998
Former [2000/05]AT14.05.1997
CH14.05.1997
DK14.05.1997
GR14.05.1997
LI14.05.1997
PT14.08.1997
SE14.08.1997
LU31.01.1998
MC31.07.1998
Former [1998/51]AT14.05.1997
CH14.05.1997
DK14.05.1997
LI14.05.1997
PT14.08.1997
SE14.08.1997
MC31.07.1998
Former [1998/15]AT14.05.1997
CH14.05.1997
DK14.05.1997
LI14.05.1997
PT14.08.1997
SE14.08.1997
Former [1998/12]AT14.05.1997
PT14.08.1997
SE14.08.1997
Former [1998/03]AT14.05.1997
PT14.08.1997
Former [1998/02]AT14.05.1997
Cited inInternational search[X]US3982909  (HOLLYDAY JR WILLIAM C);
 [X]EP0061894  (EXXON RESEARCH ENGINEERING CO [US]);
 [X]US4537602  (ROSSI ALBERT [US], et al);
 [X]US4569679  (ROSSI ALBERT [US]);
 [A]EP0186009  (RUHRCHEMIE AG [DE]);
 [A]US4664676  (DENIS JACQUES [FR], et al);
 [A]WO9115562  (EXXON CHEMICAL LTD [GB], et al)
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.