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
Register Forum

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

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
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: EP3921302

EP3921302 - PROCESS FOR PURIFYING 4,4'-DICHLORODIPHENYL SULFOXIDE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.12.2023
Database last updated on 27.07.2024
FormerThe patent has been granted
Status updated on  30.12.2022
FormerGrant of patent is intended
Status updated on  11.09.2022
FormerRequest for examination was made
Status updated on  12.11.2021
FormerThe international publication has been made
Status updated on  14.08.2020
Formerunknown
Status updated on  11.02.2020
Most recent event   Tooltip09.02.2024Lapse of the patent in a contracting state
New state(s): SI		published on 13.03.2024  [2024/11]
Applicant(s)For all designated states
BASF SE
Carl-Bosch-Strasse 38
67056 Ludwigshafen am Rhein / DE
[2023/05]
Former [2021/50]For all designated states
BASF SE
Carl-Bosch-Strasse 38
67056 Ludwigshafen am Rhein / DE
Inventor(s)01 / THIEL, Indre
Carl-Bosch-Strasse 38
67056 Ludwigshafen / DE
02 / SCHUETZ, Christian
Carl-Bosch-Strasse 38
67056 Ludwigshafen / DE
03 / MELZER, Andreas
Carl-Bosch-Strasse 38
67056 Ludwigshafen / DE
04 / BLEI, Stefan
Carl-Bosch-Strasse 38
67056 Ludwigshafen / DE
 [2023/05]
Former [2021/50]01 / THIEL, Indre
67056 Ludwigshafen / DE
02 / SCHUETZ, Christian
67056 Ludwigshafen / DE
03 / MELZER, Andreas
67056 Ludwigshafen / DE
04 / BLEI, Stefan
67056 Ludwigshafen / DE
Representative(s)BASF IP Association
BASF SE
GBI-C006
67056 Ludwigshafen / DE
[2023/05]
Former [2021/50]Kudla, Karsten, et al
Patentanwälte
Isenbruck Bösl Hörschler PartG mbB
Eastsite One
Seckenheimer Landstrasse 4
68163 Mannheim / DE
Application number, filing date20702658.406.02.2020
[2021/50]
WO2020EP52966
Priority number, dateEP2019015619808.02.2019         Original published format: EP 19156198
[2021/50]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020161225
Date:13.08.2020
Language:EN
[2020/33]
Type: A1 Application with search report 
No.:EP3921302
Date:15.12.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 13.08.2020 takes the place of the publication of the European patent application.
[2021/50]
Type: B1 Patent specification 
No.:EP3921302
Date:01.02.2023
Language:EN
[2023/05]
Search report(s)International search report - published on:EP13.08.2020
ClassificationIPC:C07C315/06, C07C317/14
[2021/50]
CPC:
C07C317/14 (EP,KR); C07C315/06 (EP,KR,US); C07B2200/13 (KR)
C-Set:
C07C315/06, C07C317/14 (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 [2021/50]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR REINIGUNG VON 4,4'-DICHLORDIPHENYL-SULFOXID[2021/50]
English:PROCESS FOR PURIFYING 4,4'-DICHLORODIPHENYL SULFOXIDE[2021/50]
French:PROCÉDÉ DE PURIFICATION DE 4,4'-DICHLORODIPHÉNYL SULFOXYDE[2022/37]
Former [2021/50]PROCÉDÉ DE PURIFICATION DE 4,4'-DICHLORODIPHÉNYLE SULFOXIDE
Entry into regional phase08.09.2021National basic fee paid 
08.09.2021Designation fee(s) paid 
08.09.2021Examination fee paid 
Examination procedure08.09.2021Examination requested  [2021/50]
08.09.2021Date on which the examining division has become responsible
12.09.2022Communication of intention to grant the patent
02.12.2022Fee for grant paid
02.12.2022Fee for publishing/printing paid
02.12.2022Receipt of the translation of the claim(s)
Opposition(s)03.11.2023No opposition filed within time limit [2024/02]
Fees paidRenewal fee
28.02.2022Renewal fee patent year 03
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  TooltipAT01.02.2023
CZ01.02.2023
DK01.02.2023
EE01.02.2023
ES01.02.2023
FI01.02.2023
HR01.02.2023
LT01.02.2023
LV01.02.2023
MC01.02.2023
PL01.02.2023
RO01.02.2023
RS01.02.2023
SE01.02.2023
SI01.02.2023
SK01.02.2023
SM01.02.2023
IE06.02.2023
LU06.02.2023
NO01.05.2023
GR02.05.2023
IS01.06.2023
PT01.06.2023
[2024/11]
Former [2024/08]AT01.02.2023
CZ01.02.2023
DK01.02.2023
EE01.02.2023
ES01.02.2023
FI01.02.2023
HR01.02.2023
LT01.02.2023
LV01.02.2023
MC01.02.2023
PL01.02.2023
RO01.02.2023
RS01.02.2023
SE01.02.2023
SK01.02.2023
SM01.02.2023
IE06.02.2023
LU06.02.2023
NO01.05.2023
GR02.05.2023
IS01.06.2023
PT01.06.2023
Former [2023/50]AT01.02.2023
CZ01.02.2023
DK01.02.2023
EE01.02.2023
ES01.02.2023
FI01.02.2023
HR01.02.2023
LT01.02.2023
LV01.02.2023
PL01.02.2023
RO01.02.2023
RS01.02.2023
SE01.02.2023
SK01.02.2023
SM01.02.2023
LU06.02.2023
NO01.05.2023
GR02.05.2023
IS01.06.2023
PT01.06.2023
Former [2023/49]AT01.02.2023
CZ01.02.2023
DK01.02.2023
EE01.02.2023
ES01.02.2023
FI01.02.2023
HR01.02.2023
LT01.02.2023
LV01.02.2023
PL01.02.2023
RO01.02.2023
RS01.02.2023
SE01.02.2023
SM01.02.2023
LU06.02.2023
NO01.05.2023
GR02.05.2023
IS01.06.2023
PT01.06.2023
Former [2023/48]AT01.02.2023
DK01.02.2023
EE01.02.2023
ES01.02.2023
FI01.02.2023
HR01.02.2023
LT01.02.2023
LV01.02.2023
PL01.02.2023
RS01.02.2023
SE01.02.2023
SM01.02.2023
NO01.05.2023
GR02.05.2023
IS01.06.2023
PT01.06.2023
Former [2023/46]AT01.02.2023
DK01.02.2023
ES01.02.2023
FI01.02.2023
HR01.02.2023
LT01.02.2023
LV01.02.2023
PL01.02.2023
RS01.02.2023
SE01.02.2023
SM01.02.2023
NO01.05.2023
GR02.05.2023
IS01.06.2023
PT01.06.2023
Former [2023/39]AT01.02.2023
ES01.02.2023
FI01.02.2023
HR01.02.2023
LT01.02.2023
LV01.02.2023
PL01.02.2023
RS01.02.2023
SE01.02.2023
NO01.05.2023
GR02.05.2023
IS01.06.2023
PT01.06.2023
Former [2023/38]AT01.02.2023
ES01.02.2023
FI01.02.2023
HR01.02.2023
LT01.02.2023
LV01.02.2023
PL01.02.2023
RS01.02.2023
SE01.02.2023
NO01.05.2023
GR02.05.2023
PT01.06.2023
Former [2023/37]AT01.02.2023
ES01.02.2023
FI01.02.2023
HR01.02.2023
LT01.02.2023
LV01.02.2023
RS01.02.2023
SE01.02.2023
NO01.05.2023
GR02.05.2023
PT01.06.2023
Former [2023/36]AT01.02.2023
ES01.02.2023
FI01.02.2023
HR01.02.2023
LT01.02.2023
LV01.02.2023
RS01.02.2023
SE01.02.2023
NO01.05.2023
PT01.06.2023
Former [2023/35]AT01.02.2023
ES01.02.2023
HR01.02.2023
LT01.02.2023
RS01.02.2023
NO01.05.2023
PT01.06.2023
Former [2023/34]ES01.02.2023
LT01.02.2023
RS01.02.2023
PT01.06.2023
Former [2023/33]ES01.02.2023
LT01.02.2023
Cited inInternational search[A]US4016210  (HORNER PATRICK JAMES, et al) [A] 1-10* See col. 8 *;
 [AD]CN104402780  (SHANDONG KAISHENG NEW MATERIAL CO LTD) [AD] 1-10 * See claim 1 *
by applicantSU765262
 CN102351756
 CN102351757
 CN102351758
 CN104402780
 CN104557626
 CN108047101
    - SUN, X. et al., "Investigations on the Lewis-acids-catalysed electrophilic aromatic substitution reactions of thionyl chloride and selenyl chloride, the substituent effect, and the reaction mechanisms", Journal of Chemical Research, (20130000), pages 736 - 744
    - SUN, X. et al., "Formation of diphenyl sulfoxide and diphenyl sulfide via the aluminum chloride-facilitated electrophilic aromatic substitution of benzene with thionyl chloride, and a novel reduction of sulfur(IV) to sulfur(II", Phosphorus, Sulfur, and Silicon, (20100000), vol. 185, pages 2535 - 2542
    - SUN, X. et al., "Iron(II) chloride (FeCi3)-cataiyzed electrophilic aromatic substitution of chlorobenzene with thionyl chloride (SOC12) and the accompanying auto-redox in sulfur to give diaryl sulfides (Ar S): Comparison to catalysis by aluminum chloride (AICI", Phosphorus, Sulfur, and Silicon, (20170000), vol. 192, no. 3, pages 376 - 380
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.