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Extract from the Register of European Patents

EP About this file: EP3368633

EP3368633 - METHOD OF OBTAINING MINERAL OIL USING A SILICA FLUID [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.04.2021
Database last updated on 13.07.2024
FormerThe patent has been granted
Status updated on  24.04.2020
FormerGrant of patent is intended
Status updated on  30.01.2020
FormerExamination is in progress
Status updated on  12.06.2019
FormerRequest for examination was made
Status updated on  03.08.2018
FormerThe international publication has been made
Status updated on  05.05.2017
Most recent event   Tooltip08.07.2022Lapse of the patent in a contracting state
New state(s): MK		published on 10.08.2022  [2022/32]
Applicant(s)For all designated states
Evonik Operations GmbH
Rellinghauser Straße 1-11
45128 Essen / DE
[2019/50]
Former [2018/36]For all designated states
Evonik Degussa GmbH
Rellinghauser Straße 1-11
45128 Essen / DE
Inventor(s)01 / LORTZ, Wolfgang
Feldstraße 9
63607 Wächtersbach / DE
02 / FISCHER, Ulrich
Am Kreuzberg 26
63776 Mömbris / DE
03 / BERGMANN, Gabriele
Oberhaagstr. 7a
63538 Großkrotzenburg / DE
04 / TORSAETER, Ole
Overgeilan 18
7089 Heimdal / NO
05 / AURAND, Katherine Rose
Sondre Berg 1 D
7050 Trondheim / NO
 [2018/36]
Representative(s)Evonik Patent Association
c/o Evonik Industries AG
IP Management
Bau 1042A/PB 15
Paul-Baumann-Straße 1
45772 Marl / DE
[2020/22]
Application number, filing date16782235.218.10.2016
[2018/36]
WO2016EP74923
Priority number, dateEP2015019145726.10.2015         Original published format: EP 15191457
[2018/36]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2017071985
Date:04.05.2017
Language:EN
[2017/18]
Type: A1 Application with search report 
No.:EP3368633
Date:05.09.2018
Language:EN
The application published by WIPO in one of the EPO official languages on 04.05.2017 takes the place of the publication of the European patent application.
[2018/36]
Type: B1 Patent specification 
No.:EP3368633
Date:27.05.2020
Language:EN
[2020/22]
Search report(s)International search report - published on:EP04.05.2017
ClassificationIPC:C09K8/584, C01B33/159
[2018/36]
CPC:
C09K8/584 (EP,US); E21B43/16 (US); C09K2208/10 (EP,US)
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 [2018/36]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:VERFAHREN ZUR GEWINNUNG VON MINERALÖL MITHILFE EINES SILICIUMDIOXIDFLUIDS[2018/36]
English:METHOD OF OBTAINING MINERAL OIL USING A SILICA FLUID[2018/36]
French:PROCÉDÉ D'OBTENTION D'HUILE MINÉRALE À L'AIDE D'UN FLUIDE DE SILICE[2018/36]
Entry into regional phase24.04.2018National basic fee paid 
24.04.2018Designation fee(s) paid 
24.04.2018Examination fee paid 
Examination procedure24.04.2018Examination requested  [2018/36]
24.04.2018Date on which the examining division has become responsible
13.08.2018Amendment by applicant (claims and/or description)
17.06.2019Despatch of a communication from the examining division (Time limit: M04)
20.08.2019Reply to a communication from the examining division
31.01.2020Communication of intention to grant the patent
16.04.2020Fee for grant paid
16.04.2020Fee for publishing/printing paid
16.04.2020Receipt of the translation of the claim(s)
Opposition(s)02.03.2021No opposition filed within time limit [2021/18]
Fees paidRenewal fee
24.10.2018Renewal fee patent year 03
25.10.2019Renewal fee patent year 04
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  TooltipHU18.10.2016
AL27.05.2020
CY27.05.2020
CZ27.05.2020
EE27.05.2020
ES27.05.2020
FI27.05.2020
HR27.05.2020
LT27.05.2020
LV27.05.2020
MC27.05.2020
MK27.05.2020
MT27.05.2020
PL27.05.2020
RS27.05.2020
SE27.05.2020
SI27.05.2020
SK27.05.2020
SM27.05.2020
TR27.05.2020
BG27.08.2020
GR28.08.2020
IS27.09.2020
PT28.09.2020
IE18.10.2020
LU18.10.2020
CH31.10.2020
LI31.10.2020
[2022/32]
Former [2022/27]HU18.10.2016
AL27.05.2020
CY27.05.2020
CZ27.05.2020
EE27.05.2020
ES27.05.2020
FI27.05.2020
HR27.05.2020
LT27.05.2020
LV27.05.2020
MC27.05.2020
MT27.05.2020
PL27.05.2020
RS27.05.2020
SE27.05.2020
SI27.05.2020
SK27.05.2020
SM27.05.2020
TR27.05.2020
BG27.08.2020
GR28.08.2020
IS27.09.2020
PT28.09.2020
IE18.10.2020
LU18.10.2020
CH31.10.2020
LI31.10.2020
Former [2021/46]AL27.05.2020
CZ27.05.2020
EE27.05.2020
ES27.05.2020
FI27.05.2020
HR27.05.2020
LT27.05.2020
LV27.05.2020
MC27.05.2020
PL27.05.2020
RS27.05.2020
SE27.05.2020
SI27.05.2020
SK27.05.2020
SM27.05.2020
BG27.08.2020
GR28.08.2020
IS27.09.2020
PT28.09.2020
IE18.10.2020
LU18.10.2020
CH31.10.2020
LI31.10.2020
Former [2021/37]AL27.05.2020
CZ27.05.2020
EE27.05.2020
ES27.05.2020
FI27.05.2020
HR27.05.2020
LT27.05.2020
LV27.05.2020
MC27.05.2020
PL27.05.2020
RS27.05.2020
SE27.05.2020
SI27.05.2020
SK27.05.2020
SM27.05.2020
BG27.08.2020
GR28.08.2020
IS27.09.2020
PT28.09.2020
LU18.10.2020
CH31.10.2020
LI31.10.2020
Former [2021/31]AL27.05.2020
CZ27.05.2020
EE27.05.2020
ES27.05.2020
FI27.05.2020
HR27.05.2020
LT27.05.2020
LV27.05.2020
MC27.05.2020
PL27.05.2020
RS27.05.2020
SE27.05.2020
SI27.05.2020
SK27.05.2020
SM27.05.2020
BG27.08.2020
GR28.08.2020
IS27.09.2020
PT28.09.2020
LU18.10.2020
Former [2021/24]AL27.05.2020
CZ27.05.2020
EE27.05.2020
ES27.05.2020
FI27.05.2020
HR27.05.2020
LT27.05.2020
LV27.05.2020
PL27.05.2020
RS27.05.2020
SE27.05.2020
SI27.05.2020
SK27.05.2020
SM27.05.2020
BG27.08.2020
GR28.08.2020
IS27.09.2020
PT28.09.2020
Former [2021/12]AL27.05.2020
CZ27.05.2020
EE27.05.2020
ES27.05.2020
FI27.05.2020
HR27.05.2020
LT27.05.2020
LV27.05.2020
PL27.05.2020
RS27.05.2020
SE27.05.2020
SK27.05.2020
SM27.05.2020
BG27.08.2020
GR28.08.2020
IS27.09.2020
PT28.09.2020
Former [2021/09]AL27.05.2020
CZ27.05.2020
EE27.05.2020
ES27.05.2020
FI27.05.2020
HR27.05.2020
LT27.05.2020
LV27.05.2020
RS27.05.2020
SE27.05.2020
SM27.05.2020
BG27.08.2020
GR28.08.2020
IS27.09.2020
PT28.09.2020
Former [2021/04]AL27.05.2020
FI27.05.2020
HR27.05.2020
LT27.05.2020
LV27.05.2020
RS27.05.2020
SE27.05.2020
BG27.08.2020
GR28.08.2020
IS27.09.2020
PT28.09.2020
Former [2021/01]FI27.05.2020
HR27.05.2020
LT27.05.2020
LV27.05.2020
RS27.05.2020
SE27.05.2020
BG27.08.2020
GR28.08.2020
IS27.09.2020
PT28.09.2020
Former [2020/51]FI27.05.2020
HR27.05.2020
LT27.05.2020
LV27.05.2020
RS27.05.2020
SE27.05.2020
GR28.08.2020
IS27.09.2020
PT28.09.2020
Former [2020/50]FI27.05.2020
HR27.05.2020
LT27.05.2020
LV27.05.2020
SE27.05.2020
GR28.08.2020
IS27.09.2020
PT28.09.2020
Former [2020/48]FI27.05.2020
LT27.05.2020
SE27.05.2020
IS27.09.2020
PT28.09.2020
Former [2020/47]LT27.05.2020
IS27.09.2020
Former [2020/46]IS27.09.2020
Cited inInternational search[A]US2003220204  (BARAN JIMMIE R [US], et al) [A] 1-10 * paragraph [0040]; claim 1 *;
 [A]US2010288963  (MITINA VALENTINA [US], et al) [A] 1-10 * examples 3,8; claims 1,7,8 *;
 [I]  - ABBAS ROUSTAEI ET AL, "An evaluation of modified silica nanoparticles' efficiency in enhancing oil recovery of light and intermediate oil reservoirs", EGYPTIAN JOURNAL OF PETROLEUM, (20131201), vol. 22, no. 3, doi:10.1016/j.ejpe.2013.06.010, ISSN 1110-0621, pages 427 - 433, XP055265479 [I] 1-10 * abstract * * pages 431-432; figure 7 * * page 428 *

DOI:   http://dx.doi.org/10.1016/j.ejpe.2013.06.010
 [A]  - LUKY HENDRANINGRAT ET AL, "A Coreflood Investigation of Nanofluid Enhanced Oil Recovery in Low- Medium Permeability Berea Sandstone", SPE, (20130410), vol. 164106, XP055265491 [A] 1-10 * the whole document *

DOI:   http://dx.doi.org/10.2118/164106-MS
 [A]  - VUORINEN E ET AL, "Thermooxidative degradation of LDPE nanocomposites: Effect of surface treatments of fumed silica and boehmite alumina", POLYMER DEGRADATION AND STABILITY, (20130826), vol. 98, no. 11, doi:10.1016/J.POLYMDEGRADSTAB.2013.08.011, ISSN 0141-3910, pages 2297 - 2305, XP028737136 [A] 1-10 * table 1 *

DOI:   http://dx.doi.org/10.1016/j.polymdegradstab.2013.08.011
 [A]  - PAUL M. MCELFRESH ET AL, "Stabilizing Nano Particle Dispersions in High Salinity, High Temperature Downhole Environments", SPE INTERNATIONAL OILFIELD NANOTECHNOLOGY CONFERENCE AND EXHIBITION, (20120101), doi:10.2118/154758-MS, XP055323948 [A] 1-10 * pages 2-3; table 1 * * page 4 *

DOI:   http://dx.doi.org/10.2118/154758-MS
by applicantEP0832911
 EP0995718
 US2003220204
 EP2500090
 WO2014020061
 US2015075798
    - ABBAS ROUSTAEI ET AL., EGYPTIAN JOURNAL OF PETROLEUM, (2013), vol. 22, pages 427 - 433
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.