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C10M 2219/046

Overbased sulfonic acid salts

C10M2219/046 (Overbased sulfonic acid salts) appears on 1,761 US grants and 1,303 published applications in this corpus.

Search patents in C10M

Granted patents: 1,761
Published applications: 1,303
Assignees: 283
Inventors: 2,298
Latest grant: 6 Oct 2026

Filings by year

C10M 2219/046: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	40	0
1977	37	0
1978	50	0
1979	42	0
1980	37	0
1981	48	0
1982	25	0
1983	21	0
1984	18	0
1985	29	0
1986	12	0
1987	17	0
1988	25	0
1989	43	0
1990	61	0
1991	41	0
1992	46	0
1993	43	0
1994	57	0
1995	26	0
1996	36	0
1997	38	0
1998	55	0
1999	37	0
2000	27	0
2001	41	10
2002	27	32
2003	40	41
2004	30	53
2005	14	48
2006	9	42
2007	14	53
2008	16	55
2009	11	47
2010	32	58
2011	38	66
2012	41	78
2013	48	53
2014	58	63
2015	54	69
2016	47	65
2017	37	74
2018	37	64
2019	54	80
2020	44	51
2021	39	31
2022	30	40
2023	27	28
2024	23	30
2025	22	43
2026	17	29

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Subgroups

Granted patents

Recent patents

Magnesium sulfonate detergent having improved compatibility with friction modifiers6 Oct 2026US 12,753,362 B2Afton Chemical Corporation
Lubricant compositions for reduced pre-ignition in hydrogen fueled engines29 Sep 2026US 12,747,407 B2Infineum International Limited
Lubricant compositions containing magnesium detergent for reduced pre-ignition in hydrogen fueled engines15 Sep 2026US 12,735,654 B2Infineum International Limited
Lubricant additives for performance boosting1 Sep 2026US 12,723,216 B2Afton Chemical Corporation
Gelling agent for calcium sulfonate greases30 Jun 2026US 12,668,756 B2The Lubrizol Corporation

Most cited

By later US patents