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

Italy joins the Federated Register

Click here for more information on the Federated Register.

2025-06-12

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register User Manual
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP0629231

EP0629231 - ADDITIVES FOR OILS [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  11.08.2006
Database last updated on 11.04.2026
Most recent event   Tooltip25.08.2006Lapse of the patent in a contracting state
New state(s): MC		published on 27.09.2006  [2006/39]
Applicant(s)For all designated states
Infineum USA LP
P.O. Box 710, 1900 East Linden Avenue
Linden, NJ 07036 / US
[2003/09]
Former [1999/24]For all designated states
Infineum USA L.P.
1900 East Linden Avenue
Linden, New Jersey 07036 / US
Former [1994/51]For all designated states
EXXON CHEMICAL PATENTS INC.
200 Park Avenue
Florham Park New Jersey 07932 / US
Inventor(s)01 / LEWTAS, Kenneth
1130 Minisink Way
Westfield, NJ 07090 / GB
02 / BLOCK, Dirk
Buecheleresweg 10
D-4040 Neuss 21 / DE
[1994/51]
Representative(s)Franck, Peter, et al
Uexküll & Stolberg Partnerschaft von
Patent- und Rechtsanwälten mbB
Beselerstrasse 4
22607 Hamburg / DE
[N/P]
Former [2003/14]Franck, Peter, et al
Uexküll & Stolberg, Patentanwälte, Beselerstrasse 4
22607 Hamburg / DE
Former [2003/09]Lewis, Pauline Therese, et al
Infineum UK Limited, P.O. Box 1, Milton Hill
Abingdon, Oxfordshire OX13 6BB / GB
Former [1999/23]Mansell, Keith Rodney, et al
Infineum UK Ltd, Law Department, Milton Hill, PO Box 1
Abingdon, Oxfordshire OX13 6BB / GB
Former [1994/51]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 date93905284.102.03.1993
[1994/51]
WO1993EP00471
Priority number, dateGB1992000470903.03.1992         Original published format: GB 9204709
[1994/51]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9318115
Date:16.09.1993
Language:EN
[1993/22]
Type: A1 Application with search report 
No.:EP0629231
Date:21.12.1994
Language:EN
The application published by WIPO in one of the EPO official languages on 16.09.1993 takes the place of the publication of the European patent application.
[1994/51]
Type: B1 Patent specification 
No.:EP0629231
Date:13.10.1999
Language:EN
[1999/41]
Search report(s)International search report - published on:EP16.09.1993
ClassificationIPC:C10L1/02
[1994/51]
CPC:
C10L1/1973 (EP); C10L1/02 (KR); C10L1/143 (EP);
C10L1/146 (EP); C10L1/1608 (EP); C10L1/1616 (EP);
C10L1/1633 (EP); C10L1/1641 (EP); C10L1/165 (EP);
C10L1/1658 (EP); C10L1/1666 (EP); C10L1/1683 (EP);
C10L1/1691 (EP); C10L1/18 (EP); C10L1/195 (EP);
C10L1/1955 (EP); C10L1/1966 (EP); C10L1/1985 (EP);
C10L1/208 (EP); C10L1/221 (EP); C10L1/2222 (EP);
C10L1/2225 (EP); C10L1/2227 (EP); C10L1/224 (EP);
C10L1/2286 (EP); C10L1/231 (EP); C10L1/232 (EP);
C10L1/2364 (EP); C10L1/2366 (EP); C10L1/2368 (EP);
C10L1/238 (EP); C10L1/2383 (EP); C10L1/2387 (EP);
C10L1/2406 (EP); C10L1/2412 (EP); C10L1/2437 (EP);
C10L1/245 (EP) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1994/51]
TitleGerman:ADDITIVE FÜR ÖLE[1994/51]
English:ADDITIVES FOR OILS[1994/51]
French:ADDITIFS POUR HUILES[1994/51]
Entry into regional phase22.08.1994National basic fee paid 
22.08.1994Designation fee(s) paid 
22.08.1994Examination fee paid 
Examination procedure01.10.1993Request for preliminary examination filed
International Preliminary Examining Authority: EP
22.08.1994Examination requested  [1994/51]
21.12.1994Despatch of a communication from the examining division (Time limit: M06)
27.06.1995Reply to a communication from the examining division
08.11.1995Despatch of a communication from the examining division (Time limit: M06)
08.05.1996Reply to a communication from the examining division
07.07.1997Despatch of a communication from the examining division (Time limit: M04)
03.11.1997Reply to a communication from the examining division
21.10.1998Despatch of communication of intention to grant (Approval: No)
20.01.1999Despatch of communication of intention to grant (Approval: later approval)
25.01.1999Communication of intention to grant the patent
05.05.1999Fee for grant paid
05.05.1999Fee for publishing/printing paid
Opposition(s)Opponent(s)01  08.07.2000  19.07.2000  ADMISSIBLE
Clariant Produkte (Deutschland) GmbH
Patente, Marken, Lizenzen Am Unisys-Park 1
65843 Sulzbach / DE
Opponent's representative
Mikulecky, Klaus
Clariant Produkte (Deutschland) GmbH
Patent & License Management Chemicals
Industriepark Höchst, G 860
65926 Frankfurt am Main / DE
 [N/P]
Former [2006/13]
Opponent(s)01  08.07.2000  19.07.2000  ADMISSIBLE
Clariant Produkte (Deutschland) GmbH
Patente, Marken, Lizenzen Am Unisys-Park 1
65843 Sulzbach / DE
Opponent's representative
Mikulecky, Klaus
Clariant Produkte (Deutschland) GmbH Group Intellectual Property Am Unisys-Park 1
65843 Sulzbach / DE
Former [2000/35]
Opponent(s)01  08.07.2000   
Clariant GmbH
Patente, Marken, Lizenzen Am Unisys-Park 1
65843 Sulzbach / DE
11.08.2000Invitation to proprietor to file observations on the notice of opposition
21.02.2001Reply of patent proprietor to notice(s) of opposition
10.10.2002Date of oral proceedings
24.10.2002Despatch of minutes of oral proceedings
11.02.2005Despatch of a communication from the opposition division (Time limit: M04)
02.06.2005Reply to a communication from the opposition division
01.02.2006Date of oral proceedings
01.02.2006Legal effect of revocation of patent [2006/37]
07.02.2006Date of oral proceedings
10.02.2006Despatch of minutes of oral proceedings
10.02.2006Despatch of communication that the patent will be revoked
Appeal following opposition13.12.2002Appeal received No.  T0003/03
26.02.2003Statement of grounds filed
19.10.2004Result of appeal procedure: continuation of opposition procedure
19.10.2004Date of oral proceedings
26.10.2004Minutes of the oral proceedings despatched
Fees paidRenewal fee
22.08.1994Renewal fee patent year 03
29.12.1995Renewal fee patent year 04
02.01.1997Renewal fee patent year 05
16.02.1998Renewal fee patent year 06
12.02.1999Renewal 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  TooltipAT13.10.1999
CH13.10.1999
ES13.10.1999
GR13.10.1999
LI13.10.1999
NL13.10.1999
SE13.10.1999
DK13.01.2000
PT13.01.2000
IE02.03.2001
LU02.03.2001
MC31.03.2001
[2006/39]
Former [2004/39]AT13.10.1999
CH13.10.1999
ES13.10.1999
GR13.10.1999
LI13.10.1999
NL13.10.1999
SE13.10.1999
DK13.01.2000
PT13.01.2000
IE02.03.2001
LU02.03.2001
Former [2004/07]AT13.10.1999
CH13.10.1999
ES13.10.1999
GR13.10.1999
LI13.10.1999
NL13.10.1999
SE13.10.1999
DK13.01.2000
PT13.01.2000
IE02.03.2001
Former [2003/45]AT13.10.1999
CH13.10.1999
ES13.10.1999
LI13.10.1999
NL13.10.1999
SE13.10.1999
DK13.01.2000
PT13.01.2000
IE02.03.2001
Former [2003/08]AT13.10.1999
CH13.10.1999
ES13.10.1999
LI13.10.1999
NL13.10.1999
SE13.10.1999
PT13.01.2000
IE02.03.2001
Former [2002/26]AT13.10.1999
CH13.10.1999
ES13.10.1999
LI13.10.1999
SE13.10.1999
PT13.01.2000
IE02.03.2001
Former [2002/23]AT13.10.1999
CH13.10.1999
LI13.10.1999
SE13.10.1999
PT13.01.2000
IE02.03.2001
Former [2002/14]AT13.10.1999
CH13.10.1999
LI13.10.1999
PT13.01.2000
IE02.03.2001
Former [2000/52]AT13.10.1999
CH13.10.1999
LI13.10.1999
PT13.01.2000
Former [2000/51]AT13.10.1999
PT13.01.2000
CH18.01.2000
LI18.01.2000
Former [2000/50]PT13.01.2000
CH18.01.2000
LI18.01.2000
Former [2000/43]PT13.01.2000
Cited inInternational search[A] GB2090613  (INST FRANCAIS DU PETROLE et al.) [A]
 [A] GB2099449  (ERNER WILLIAM EDWARD et al.) [A]
 [AP] WO9211345  (HENKEL KGAA et al.) [AP]
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.