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Extract from the Register of European Patents

EP About this file: EP3746528

EP3746528 - PERFORMANCE ENHANCING ADDITIVE FOR FUEL COMPOSITION, AND METHOD OF USE THEREOF [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  20.06.2024
Database last updated on 03.09.2024
FormerThe patent has been granted
Status updated on  14.07.2023
FormerGrant of patent is intended
Status updated on  13.03.2023
FormerRequest for examination was made
Status updated on  06.11.2020
FormerThe international publication has been made
Status updated on  10.08.2019
Formerunknown
Status updated on  09.03.2019
Most recent event   Tooltip30.08.2024Lapse of the patent in a contracting state
New state(s): MC		published on 02.10.2024 [2024/40]
Applicant(s)For all designated states
DORF KETAL CHEMICALS FZE
P.O. Box 50132
Fujairah Free Zone, Phase-1, WH 110B
Fujairah / AE
[2020/50]
Inventor(s)01 / SUBRAMANIYAM, Mahesh
Dorf Ketal Tower, D'Monte Street, Orlem, Malad (W)
Mumbai, Maharashtra 400064 / IN
 [2020/50]
Representative(s)AWA Benelux
AWA Benelux SA
Tour & Taxis - Royal Depot box:216
Havenlaan 86c Avenue du Port
1000 Bruxelles / BE
[2023/33]
Former [2020/50]Pronovem
Office Van Malderen
Avenue Josse Goffin 158
1082 Bruxelles / BE
Application number, filing date19707465.123.01.2019
[2020/50]
WO2019IB50560
Priority number, dateIN20182100354230.01.2018         Original published format: IN201821003542
[2020/50]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019150231
Date:08.08.2019
Language:EN
[2019/32]
Type: A1 Application with search report 
No.:EP3746528
Date:09.12.2020
Language:EN
The application published by WIPO in one of the EPO official languages on 08.08.2019 takes the place of the publication of the European patent application.
[2020/50]
Type: B1 Patent specification 
No.:EP3746528
Date:16.08.2023
Language:EN
[2023/33]
Search report(s)International search report - published on:EP08.08.2019
ClassificationIPC:C10L1/22
[2020/50]
CPC:
C10L1/22 (EP); C10L1/1817 (KR); C10L1/2387 (EP,US);
C10L1/08 (KR); C10L1/221 (KR); C10L1/238 (KR);
C10L1/2383 (EP,US); C10L10/18 (US); C10L1/2225 (EP);
C10L1/224 (EP); C10L2200/0446 (EP,US); C10L2230/22 (EP,KR,US);
C10L2270/02 (EP); C10L2270/026 (EP,KR,US); C10L2300/20 (EP);
C10L2300/30 (EP) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2020/50]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:LEISTUNGSSTEIGERNDES ADDITIV FÜR BRENNSTOFFZUSAMMENSETZUNG UND VERWENDUNGSVERFAHREN DAFÜR[2020/50]
English:PERFORMANCE ENHANCING ADDITIVE FOR FUEL COMPOSITION, AND METHOD OF USE THEREOF[2020/50]
French:ADDITIF AMÉLIORANT LES PERFORMANCES POUR UNE COMPOSITION DE CARBURANT, ET SON PROCÉDÉ D'UTILISATION[2020/50]
Entry into regional phase27.08.2020National basic fee paid 
27.08.2020Designation fee(s) paid 
27.08.2020Examination fee paid 
Examination procedure06.05.2019Request for preliminary examination filed
International Preliminary Examining Authority: EP
27.08.2020Examination requested  [2020/50]
27.08.2020Date on which the examining division has become responsible
11.10.2021Amendment by applicant (claims and/or description)
14.03.2023Communication of intention to grant the patent
06.07.2023Fee for grant paid
06.07.2023Fee for publishing/printing paid
06.07.2023Receipt of the translation of the claim(s)
Opposition(s)17.05.2024No opposition filed within time limit [2024/30]
Fees paidRenewal fee
27.01.2021Renewal fee patent year 03
27.01.2022Renewal fee patent year 04
27.01.2023Renewal fee patent year 05
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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  TooltipAT16.08.2023
DK16.08.2023
EE16.08.2023
FI16.08.2023
LV16.08.2023
MC16.08.2023
PL16.08.2023
RS16.08.2023
SE16.08.2023
SI16.08.2023
SK16.08.2023
SM16.08.2023
IS16.12.2023
PT18.12.2023
[2024/40]
Former [2024/36]AT16.08.2023
DK16.08.2023
EE16.08.2023
FI16.08.2023
LV16.08.2023
PL16.08.2023
RS16.08.2023
SE16.08.2023
SI16.08.2023
SK16.08.2023
SM16.08.2023
IS16.12.2023
PT18.12.2023
Former [2024/25]AT16.08.2023
DK16.08.2023
EE16.08.2023
FI16.08.2023
LV16.08.2023
PL16.08.2023
RS16.08.2023
SE16.08.2023
SK16.08.2023
SM16.08.2023
IS16.12.2023
PT18.12.2023
Former [2024/22]AT16.08.2023
DK16.08.2023
FI16.08.2023
LV16.08.2023
PL16.08.2023
RS16.08.2023
SE16.08.2023
SM16.08.2023
IS16.12.2023
PT18.12.2023
Former [2024/20]AT16.08.2023
FI16.08.2023
LV16.08.2023
PL16.08.2023
RS16.08.2023
SE16.08.2023
SM16.08.2023
IS16.12.2023
PT18.12.2023
Former [2024/10]AT16.08.2023
FI16.08.2023
LV16.08.2023
PL16.08.2023
RS16.08.2023
SE16.08.2023
IS16.12.2023
PT18.12.2023
Former [2024/09]AT16.08.2023
FI16.08.2023
SE16.08.2023
IS16.12.2023
Cited inInternational search[X]US4409000  (LESUER WILLIAM M [US]) [X] 1-8,10,11 * column 1, line 1 - column 4, line 53 * * column 5, line 53 - column 6, line 30 * * column 9, line 36 - column 10, line 65; example -; claim -; table - *;
 [X]EP3091063  (AFTON CHEMICAL CORP [US]) [X] 1-11 * paragraph [0001] - paragraph [0024] * * paragraph [0028] * * paragraph [0031] - paragraph [0038] * * example -; claim - *;
 [A]WO2017006199  (DORF KETAL CHEMICALS (INDIA) PRIVATE LTD [IN]) [A] 1-11 * page 1, line 1 - page 2, line 9 * * page 8, line 24 - page 9, line 9 ** claim - *
by applicantEP0565285
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.