The patent has been granted The patent has been granted, Grant of patent is intended, Examination is in progress, Request for examination was made, The international publication has been made EP Register Verified

SEALANT COMPOSITION

Publication No. EP4077576

•

App No. EP19956392

•

Filed by Dow Silicones Corporation

•

Filed on 2019-12-17

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Issued/Published on 2026-01-14

Official EPO Register

Publication No. EP4077576 A1

Application No. EP19956392 Filed: 2019-12-17

Grant Date 2026-01-14 Mention of grant

Active Oppositions 1 Active EPO Oppositions

Patent Abstract / Summary

Patent abstract is being processed or was not provided in English by the publishing office.

IPC Classifications

C08G65/336, C09D171/02 C09J183/04, C08L83/04, B01J31/04

Priority Claims

No priority claims recorded

Designated Contracting States (38 EPC 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

Parties & Representation

Applicants

Dow Silicones Corporation

2200 West Salzburg Road, Midland, Michigan 48686

Inventors (5)

PENG, Jiang

No. 936 Zhangheng Road Zhangjiang Hi-Tech Park, Pudong District

GUO, Yi

No. 936 Zhangheng Road Zhangjiang Hi-Tech Park, Pudong District

LIU, Nanguo

2200 West Salzburg Road P.O. Box 994, Midland, Michigan 48686-0994

SHEPHARD, Nick

5300 11 Mile Road, Auburn, Michigan 48611

WU, Ye

No. 936 Zhangheng Road Zhangjiang Hi-Tech Park, Pudong District

Representatives / Agents

Murgitroyd & Company

165-169 Scotland Street, Glasgow G5 8PL

LKGLOBAL Partnerschaftsgesellschaft mbB

Brienner Straße 11, 80333 München

Key Procedural Dates

Request-For-Examination 2022-06-27

Mention Of Grant Published 2026-01-14

First-Examination-Report-Despatched 2024-09-17

Legal Status & Event History

Official European Patent Office legal and procedural status changes recorded for this file.

39 Events Recorded

Date	Code	Event Description	Auth
2021-06-25	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2022-09-23	PUAI	PUBLIC REFERENCE MADE UNDER ARTICLE 153(3) EPC TO A PUBLISHED INTERNATIONAL APPLICATION THAT HAS ENTERED THE EUROPEAN PHASE	EP
2022-09-23	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2022-10-26	17P	REQUEST FOR EXAMINATION FILED	EP
2022-10-26	AK	DESIGNATED CONTRACTING STATES	EP
2023-03-29	DAX	REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (DELETED)	EP
2023-03-29	DAV	REQUEST FOR VALIDATION OF THE EUROPEAN PATENT (DELETED)	EP
2023-05-22	REG	REFERENCE TO A NATIONAL CODE	EP
2023-06-28	RIC1	INFORMATION PROVIDED ON IPC CODE ASSIGNED BEFORE GRANT	EP
2023-06-28	A4	SUPPLEMENTARY SEARCH REPORT DRAWN UP AND DESPATCHED	EP
2023-07-05	P01	OPT-OUT OF THE COMPETENCE OF THE UNIFIED PATENT COURT (UPC) REGISTERED	EP
2024-09-13	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2024-10-16	17Q	FIRST EXAMINATION REPORT DESPATCHED	EP
2025-10-01	GRAP	DESPATCH OF COMMUNICATION OF INTENTION TO GRANT A PATENT	EP
2025-10-01	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-11-05	INTG	INTENTION TO GRANT ANNOUNCED	EP
2025-12-05	GRAS	GRANT FEE PAID	EP
2025-12-12	GRAA	(EXPECTED) GRANT	EP
2025-12-12	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2026-01-14	AK	DESIGNATED CONTRACTING STATES	EP
2026-01-14	REG	REFERENCE TO A NATIONAL CODE	EP
2026-01-22	REG	REFERENCE TO A NATIONAL CODE	EP
2026-02-11	REG	REFERENCE TO A NATIONAL CODE	EP
2026-05-20	REG	REFERENCE TO A NATIONAL CODE	EP
2026-06-15	REG	REFERENCE TO A NATIONAL CODE	EP
2026-06-15	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-07	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-10	REG	REFERENCE TO A NATIONAL CODE	EP
2026-07-08	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-09	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-11	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-10	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-14	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-15	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-17	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-18	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-24	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-28	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-10-06	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP

Patent & Non-Patent Citations

Cited documents and prior art referenced in search and examination reports.

11 Citations

Cited Patent Documents

CN1597824 2005-03-23

Espacenet

WO2019024430 2019-02-07

Espacenet

WO2019098112 2019-05-23

Espacenet

EP3712215 2020-09-23

Espacenet

WO2021119974 2021-06-24

Espacenet

JP2014043519 2014-03-13

Espacenet

US2003149152 2003-08-07

Espacenet

US2007088110 2007-04-19

Espacenet

WO2019027668 2019-02-07

Espacenet

WO2018208347 2018-11-15

Espacenet

JPS63308015 1988-12-15

Espacenet

Worldwide Patent Family

Related applications and patents in the same INPADOC worldwide family.

14 Family Members

Country	Publication Number	Kind	Publication Date	Action
EP	EP4077576A1	A1	2022-10-26	Espacenet
EP	EP4077576A4	A4	2023-06-28	Espacenet
EP	EP4077576B1	B1	2026-01-14	Espacenet
CA	CA3161841A1	A1	2021-06-24	Espacenet
CA	CA3161841C	C	2024-03-12	Espacenet
CN	CN114829535A	A	2022-07-29	Espacenet
CN	CN114829535B	B	2023-12-29	Espacenet
JP	JP2023512882A	A	2023-03-30	Espacenet
JP	JP7444989B2	B2	2024-03-06	Espacenet
KR	KR20220117273A	A	2022-08-23	Espacenet
KR	KR102926655B1	B1	2026-02-13	Espacenet
US	US2023035408A1	A1	2023-02-02	Espacenet
US	US12570883B2	B2	2026-03-10	Espacenet
WO	WO2021119974A1	A1	2021-06-24	Espacenet

Official File Inspection EPC Art. 128 Public Dossier

Complete European Patent Register Dossier (148 Total Documents)

The full inspection file for Application EP19956392 contains 148 total documents, including all notices of opposition, proprietor counter-statements, examination communications, third-party observations, and procedural forms. Below are all major recorded procedural filings and publication specifications.

Open 148-Doc Register Dossier

Dossier Filing

Date: 2025-12-11 Procedure: Examination EPIDOSNIGR7

Inspect on Register

SEALANT COMPOSITION

Patent Abstract / Summary

IPC Classifications

Priority Claims

Designated Contracting States (38 EPC States)

Parties & Representation

Applicants

Inventors (5)

Representatives / Agents

Key Procedural Dates

Patent Oppositions

Henkel AG & Co. KGaA

Legal Status & Event History

Patent & Non-Patent Citations

Cited Patent Documents

Worldwide Patent Family

Complete European Patent Register Dossier (148 Total Documents)

Recorded Filings & Patent Specifications

European Patent Specification - Granted Patent (B1)

Official European Patent Register Full Dossier

European Patent Application with Search Report (A1)

Opposition filed

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

(Expected) grant

New entry: Receipt of the translation of the claim(s)

New entry: Payment of fee for grant

New entry: Payment of fee for publishing/printing

New entry: Renewal fee paid

Renewal fee payment

Intention to grant the patent

New entry: Communication of intention to grant a patent

New entry: Renewal fee paid

Renewal fee payment

New entry: Reply to examination report

New entry: Despatch of examination report + time limit

Communication from the examining division

First examination report

New entry: Renewal fee paid

Renewal fee payment

The date on which the examining division becomes responsible, has been established

Amendment by applicant

Date on which the examining division has become responsible

Amendments

Supplementary search report

Change - classification

Change - extension states

Change: Validation states

New entry: Renewal fee paid

Renewal fee payment

Publication in section I.1 EP Bulletin

Request for examination filed

PCT data prior to European publication

PCT data prior to European publication

PCT data prior to European publication

Change - representative

PCT data prior to European publication

New entry: Renewal fee paid

Change - representative

PCT data prior to European publication

Renewal fee payment

Payment of national basic fee

Payment of the fee for supplementary search

Payment of the first designation fee

Payment of the fee for examination

PCT data prior to European publication

New entry: applicant or inventor

Validation of the patent

Extension of the patent

Language of the procedure

International searching authority