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LUBRICATING OIL COMPOSITIONS

Publication No. EP4486854

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App No. EP23712592

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Filed by Chevron Oronite Company LLC

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Filed on 2023-02-21

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Issued/Published on 2025-12-17

Official EPO Register

Publication No. EP4486854 A1

Application No. EP23712592 Filed: 2023-02-21

Grant Date 2025-12-17 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

C10M163/00, C10N10/04, C10N10/12, C10N30/12, C10N30/00, C10N40/25

Priority Claims

US 202263314492P Date: 2022-02-28

Designated Contracting States (39 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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR

Parties & Representation

Applicants

Chevron Oronite Company LLC

5001 Executive Parkway, San Ramon, CA 94583

Inventors (2)

ELLIOTT, Ian G.

San Ramon, California 94583

BRODWATER, Kevin C.

San Ramon, California 94583

Representatives / Agents

Haseltine Lake Kempner LLP

One Portwall Square, Portwall Lane

J A Kemp LLP

80 Turnmill Street, London EC1M 5QU

Key Procedural Dates

Request-For-Examination 2024-08-19

Mention Of Grant Published 2025-12-17

First-Examination-Report-Despatched 2025-07-10

Legal Status & Event History

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

48 Events Recorded

Date	Code	Event Description	Auth
2023-09-01	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2023-04-01	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2024-12-06	PUAI	PUBLIC REFERENCE MADE UNDER ARTICLE 153(3) EPC TO A PUBLISHED INTERNATIONAL APPLICATION THAT HAS ENTERED THE EUROPEAN PHASE	EP
2024-12-06	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-01-08	17P	REQUEST FOR EXAMINATION FILED	EP
2025-01-08	AK	DESIGNATED CONTRACTING STATES	EP
2025-06-04	DAX	REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (DELETED)	EP
2025-06-04	DAV	REQUEST FOR VALIDATION OF THE EUROPEAN PATENT (DELETED)	EP
2025-07-10	GRAP	DESPATCH OF COMMUNICATION OF INTENTION TO GRANT A PATENT	EP
2025-07-10	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-08-13	INTG	INTENTION TO GRANT ANNOUNCED	EP
2025-11-08	GRAS	GRANT FEE PAID	EP
2025-11-14	GRAA	(EXPECTED) GRANT	EP
2025-11-14	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-11-26	P01	OPT-OUT OF THE COMPETENCE OF THE UNIFIED PATENT COURT (UPC) REGISTERED	EP
2025-12-17	AK	DESIGNATED CONTRACTING STATES	EP
2025-12-17	REG	REFERENCE TO A NATIONAL CODE	EP
2025-12-24	REG	REFERENCE TO A NATIONAL CODE	EP
2026-04-10	REG	REFERENCE TO A NATIONAL CODE	EP
2026-04-13	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-04-14	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-04-14	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-04-17	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-04-22	REG	REFERENCE TO A NATIONAL CODE	EP
2026-04-28	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-04-30	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-05-15	REG	REFERENCE TO A NATIONAL CODE	EP
2026-05-18	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-06-29	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-03	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	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
2026-07-10	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-11	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [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
2026-07-21	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-23	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-25	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-08-06	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-09-18	PLBI	OPPOSITION FILED	EP
2026-09-23	REG	REFERENCE TO A NATIONAL CODE	EP
2026-09-25	PLAB	OPPOSITION DATA, OPPONENT'S DATA OR THAT OF THE OPPONENT'S REPRESENTATIVE MODIFIED	EP
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2026-10-01	PLAX	NOTICE OF OPPOSITION AND REQUEST TO FILE OBSERVATION + TIME LIMIT SENT	EP
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2026-10-07	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.

31 Citations

Cited Patent Documents

EP0280580

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US6613724

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US12043813

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US2016032213

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US2004048753

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US4412928

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US11952324

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Non-Patent Scientific Literature (NPL)

- W A GIVENS, BUCK W H, JACKSON A, KALDOR A, HERTZBERG A, MOEHRMANN W, MUELLER-LUNZ S, PELZ N, WENNINGER G: "2003-01-3109 Lube Formulation Effects on Transfer of Elements to Exhaust After-Treatment System Components", SAE TECHNICAL PAPER SERIES, SAE INTERNATIONAL, 27 October 2003 (2003-10-27), XP055224532

- "A Comprehensive Review of Lubricant Chemistry, Technology, Selection, and Design", 1 March 2009, ASTM INTERNATIONAL, ISBN: 0803170009, article "Chapter 5 - Combustion Engine Lubricants", pages: 212 - 272, XP009568883

- "A Comprehensive Review of Lubricant Chemistry, Technology, Selection, and Design", 1 March 2009, ASTM INTERNATIONAL, ISBN: 0803170009, article "Table 12.17 - Typical bench test results for some lubricating greases (795) (Chapter 12 - Lubricat Testing)", pages: 558 - 563, XP009568884 * Pages 248, 265, 558 to 564 *

- STEPINA V, VESELY V: "Lubricants and Special Fluids", LUBRICANTS AND SPECIAL FLUIDS, ELSEVIER, 1 January 1992 (1992-01-01), pages 305, XP055953821, ISBN: 978-0-444-98674-0

- "LUBRICANTS AND SPECIAL FLUIDS, Tribology series, 23", 1 January 1992, ELSEVIER, article ŠTĚPINA VÁCLAV, VÁCLAV VESELY: "4.2 DETERGENTS AND DISPERSANTS // 4.2.3.1 Succinimides and Bis-succinimides", pages: 289, 316 - 321, XP093183937 * Pages 289, 316 to 321 *

- SIMON WATSON: "Lubricant-Derived Ash – In-Engine Sources and Opportunities for Reduction", SUBMITTED TO THE DEPARTMENT OF MECHANICAL ENGINEERING IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PILOSOPHY IN MECHANICAL ENGINEERING AT THE MASSACHUSETTS INSTITUTE OF TECHNOLOGY, PROQUEST DISSERTATIONS PUBLISHING, 1 January 2010 (2010-01-01), pages 1 - 235, XP055335558, Retrieved from the Internet <URL:https://dspace.mit.edu/bitstream/handle/1721.1/61614/704739979-MIT.pdf?sequence=2>

- "Lubricant Additives: Chemistry and Applications, 3rd Edition", 1 January 2017, CRC PRESS, ISBN: 978-1-4987-3172-0, article ROBERT G. ROWLAND, JUN DONG, AND CYRIL A. MIGDAL: "Chapter 1 - Antioxidants", pages: 3 - 36, XP009568876 * page 28 - page 28 *

- "Lubricant Additives: Chemistry and Applications, 3rd Edition", 1 January 2017, CRC PRESS, ISBN: 978-1-4987-3172-0, article MICHAEL T. COSTELLO: "Chapter 21 - Corrosion Inhibitors and Rust Preventatives", pages: 393 - 406, XP009568877 * page 393 - page 393 * * page 400 - page 401 *

- "Lubricant Additives: Chemistry and Applications, 3rd Edition", 1 January 2017, CRC PRESS, ISBN: 978-1-4987-3172-0, article MA PHILIP: "Chapter 4 - Detergents", pages: 67 - 84, XP009567443 * page 67 - page 80 *

- "Lubricant Additives: Chemistry and Applications, 3rd Edition", 1 January 2017, CRC PRESS, ISBN: 978-1-4987-3172-0, article EWA A. BARDASZ, GORDON D. LAMB: "25 Additives for Crankcase Lubricant Applications", pages: 448 - 471, XP009565993, DOI: 10.1201/9781315120621 * page 449 - page 449 *

- NEIL CANTER: "Special Report: Additive challenges in meeting new automotive engine specifications", TRIBOLOGY & LUBRICATION TECHNOLOGY, 1 September 2006 (2006-09-01), pages 10 - 19, XP055339967

- TECHNICAL COMMITTEE OF PETROLEUM ADDITIVE MANUFACTURERS IN EUROPE: "Lubricant Additives: Use and Benefits", HTTPS://ATC-EUROPE.ORG, TECHNICAL COMMITTEE OF PETROLEUM ADDITIVE MANUFACTURERS IN EUROPE, 1 August 2016 (2016-08-01), pages 1 - 64, XP093405766, Retrieved from the Internet <URL:https://atc-europe.org/storage/Document-118---Lubricant-Additives-Use-and-Benefits.pdf>

- "Chemistry and Technology of Lubricants", 1 January 2010, SPRINGER VERLAG, ISBN: 978-1-4020-8661-8, article J. CRAWFORD, A. PSALILA AND S. T. ORSZULIK: "Chapter 6: Miscellaneous Additives and Vegetable Oils", pages: 189 - 211, XP009568882 * page 202 - page 202 *

- "Chemistry and Technology of Lubricants", 1 January 2010, SPRINGER VERLAG, ISBN: 978-1-4020-8661-8, article E.J. SEDDON, C.I. FRIEND, J.P. ROSKI: "Chapter 7: Detergents and Dispersants", pages: 213 - 236, XP009568881 * page 223 - page 223 *

- HUGH SPIKES: "Low- and zero-sulphated ash, phosphorus and sulphur anti-wear additives for engine oils", LUBRICATION SCIENCE, vol. 20, no. 2, 1 April 2008 (2008-04-01), pages 103 - 136, XP055063112, ISSN: 09540075, DOI: 10.1002/ls.57 * Pages 103 to 136 *

- SPIKES HUGH A.: "Beyond ZDDP", LUBRICATION SCIENCE, vol. 20, no. 2, 1 April 2008 (2008-04-01), US , pages 77 - 78, XP093437630, ISSN: 0954-0075, DOI: 10.1002/ls.60

- ASTM INTERNATIONAL: "ASTM D6557-18e1: Test Method for Evaluation of Rust Preventive Characteristics of Automotive Engine Oils", HTTPS://COMPASS.ASTM.ORG, ASTM INTERNATIONAL, 1 October 2018 (2018-10-01), pages 1 - 13, XP093437635, Retrieved from the Internet <URL:https://compass.astm.org/content-access?contentCode=ASTM%7CD6557-18E01%7Cen-US> DOI: 10.1520/d6557-18e01

- ASTM: "ASTM D 5844-98: Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Rusting (Sequence IID)", HTTPS://COMPASS.ASTM.ORG, ASTM INTERNATIONAL, 10 April 1998 (1998-04-10), pages 1 - 51, XP093437638, Retrieved from the Internet <URL:https://compass.astm.org/content-access?contentCode=ASTM%7CD5844-98%7Cen-US>

- KUO CHENG, MARCHAND DAVID, LAM WILLIAM: "The Effects of Oil Additives in the Ball Rust Test", SAE TECHNICAL PAPERS, 1 October 1997 (1997-10-01), USA, pages 27 - 34, XP009521041, ISSN: 0148-7191, DOI: 10.4271/972923

- ZHMUD BORIS, PASALSKIY BOGDAN: "Nanomaterials in Lubricants: An Industrial Perspective on Current Research", LUBRICANTS, vol. 1, no. 4, 1 December 2013 (2013-12-01), pages 95 - 101, XP093437642, ISSN: 2075-4442, DOI: 10.3390/lubricants1040095

- VANDERBILT CHEMICALS, LLC FRICTION: "MOLYVAN 3000 Friction Reducer", HTTPS://WWW.VANDERBILTCHEMICALS.COM, VANDERBILT CHEMICALS, LLC, 9 February 2015 (2015-02-09), pages 1 - 8, XP093437652, Retrieved from the Internet <URL:https://www.vanderbiltchemicals.com/resources/TDS_MOLYVAN_3000_Web.pdf>

- KO ONODERA, KATO TOMOHIRO, OGANO SATOSHI, FUJIMOTO KOSUKE, KATO KATSUYOSHI, KANEKO TOYOHARU: "Engine Oil Formulation Technology to Prevent Pre-ignition in Turbocharged Direct Injection Spark Ignition Engines", SAE TECHNICAL PAPERS, vol. 1, 1 September 2015 (2015-09-01), US, XP055642375, ISSN: 0148-7191, DOI: 10.4271/2015-01-2027

Worldwide Patent Family

Related applications and patents in the same INPADOC worldwide family.

8 Family Members

Country	Publication Number	Kind	Publication Date	Action
EP	EP4486854A1	A1	2025-01-08	Espacenet
EP	EP4486854B1	B1	2025-12-17	Espacenet
CA	CA3253280A1	A1	2023-08-31	Espacenet
CN	CN118843679A	A	2024-10-25	Espacenet
JP	JP2025507725A	A	2025-03-21	Espacenet
KR	KR20240155886A	A	2024-10-29	Espacenet
US	US20250115825A1	A1	2025-04-10	Espacenet
WO	WO2023161795A1	A1	2023-08-31	Espacenet

Official File Inspection EPC Art. 128 Public Dossier

Complete European Patent Register Dossier (148 Total Documents)

The full inspection file for Application EP23712592 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.

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LUBRICATING OIL COMPOSITIONS

Patent Abstract / Summary

IPC Classifications

Priority Claims

Designated Contracting States (39 EPC States)

Parties & Representation

Applicants

Inventors (2)

Representatives / Agents

Key Procedural Dates

Patent Oppositions

Afton Chemical Corporation

Legal Status & Event History

Patent & Non-Patent Citations

Cited Patent Documents

Non-Patent Scientific Literature (NPL)

Worldwide Patent Family

Complete European Patent Register Dossier (148 Total Documents)

Recorded Filings & Patent Specifications

European Patent Specification - Granted Patent (B1)

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