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EP4208469

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Extract from the Register of European Patents

EP About this file: EP4208469

EP4208469 - PROCESS FOR PREPARING POLYSULFANE SILANES BY MEANS OF PHASE TRANSFER CATALYSIS [Right-click to bookmark this link]
Status	Examination is in progress Status updated on 18.04.2025 Database last updated on 11.04.2026
Former	Request for examination was made Status updated on 09.06.2023
Former	The international publication has been made Status updated on 11.03.2022
Former	unknown Status updated on 20.09.2021
Most recent event Tooltip	17.02.2026	New entry: Despatch of examination report + time limit
Applicant(s)	For all designated states Evonik Operations GmbH Rellinghauser Straße 1-11 45128 Essen / DE
	[2023/28]
Inventor(s)	01 / HERMEKE, Julia 70839 Gerlingen / DE
	02 / PAULUS, Katharina, Marie 79104 Freiburg / DE
	03 / ROSENSTINGL, Sebastian 79539 Lörrach / DE
	04 / DRÖGE, Helmut 53332 Bornheim / DE
	05 / ALBERT, Philipp 79618 Rheinfelden / DE
	06 / KÖPFER, Alexander 79872 Bernau im Schwarzwald / DE
	07 / SMANS, Gert 2640 Mortsel / BE
	08 / BOLDT, Kai, Dieter 63452 Hanau / DE
	09 / BAUER, Elisabeth 79692 Kleines Wiesental / DE
	10 / MAYER, Stefanie 79618 Rheinfelden / DE
	11 / MERTSCH, Horst 79618 Rheinfelden / DE
	12 / MARION, Nicolas 68300 Saint-Louis / FR
	[2023/28]
Representative(s)	Evonik Patent Association c/o Evonik Industries AG IP Management Postcode 84/339 Rodenbacher Chaussee 4 63457 Hanau / DE
	[N/P]
Former [2023/28]	Evonik Patent Association c/o Evonik Industries AG IP Management Bau 1042A/PB 15 Paul-Baumann-Straße 1 45772 Marl / DE
Application number, filing date	21769066.8	19.08.2021
	[2023/28]
	WO2021EP73015
Priority number, date	DE202010211042	02.09.2020 Original published format: DE102020211042
	[2023/28]
Filing language	DE
Procedural language	DE
Publication	Type:	A1 Application with search report
	No.:	WO2022048914
	Date:	10.03.2022
	Language:	DE
	[2022/10]
	Type:	A1 Application with search report
	No.:	EP4208469
	Date:	12.07.2023
	Language:	DE
	The application published by WIPO in one of the EPO official languages on 10.03.2022 takes the place of the publication of the European patent application.
	[2023/28]
Search report(s)	International search report - published on:	EP	10.03.2022
Classification	IPC:	C07F7/18	[2023/28]
	CPC:	C07F7/1892 (EP,CN,KR,US); C07F7/1804 (CN,KR); C08L9/06 (US)
Designated contracting states	AL, 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 [2023/28]
Title	German:	VERFAHREN ZUR HERSTELLUNG VON POLYSULFANSILANEN MITTELS PHASENTRANSFERKATALYSE	[2023/28]
	English:	PROCESS FOR PREPARING POLYSULFANE SILANES BY MEANS OF PHASE TRANSFER CATALYSIS	[2023/28]
	French:	PROCÉDÉ DE PRÉPARATION DE POLYSULFANE SILANES PAR CATALYSE PAR TRANSFERT DE PHASE	[2023/28]
Entry into regional phase	20.02.2023	National basic fee paid
	20.02.2023	Designation fee(s) paid
	20.02.2023	Examination fee paid
Examination procedure	20.02.2023	Examination requested [2023/28]
	20.02.2023	Date on which the examining division has become responsible
	11.10.2023	Amendment by applicant (claims and/or description)
	22.04.2025	Despatch of a communication from the examining division (Time limit: M04)
	22.05.2025	Reply to a communication from the examining division
	16.02.2026	Despatch of a communication from the examining division (Time limit: M04)
Fees paid	Renewal fee
	25.08.2023	Renewal fee patent year 03
	27.08.2024	Renewal fee patent year 04
	27.08.2025	Renewal 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.
Cited in	International search	[XD] CN108250233 (UNIV QINGDAO SCIENCE & TECHNOLOGY et al.)
	by applicant	US5405985
		US5583245
		US5663396
		US5468893
		US6384255
		US6448426
		US6384256
		US6740767
		US6534668
		EP19217272
		CN108250233
		WO2006113122

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.