C10M 2219/089
Overbased salts
C10M2219/089 (Overbased salts) appears on 952 US grants and 240 published applications in this corpus.
Search patents in C10M- Granted patents
- 952
- Published applications
- 240
- Assignees
- 155
- Inventors
- 1,060
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 36 | 0 |
| 1977 | 35 | 0 |
| 1978 | 48 | 0 |
| 1979 | 35 | 0 |
| 1980 | 37 | 0 |
| 1981 | 36 | 0 |
| 1982 | 15 | 0 |
| 1983 | 18 | 0 |
| 1984 | 19 | 0 |
| 1985 | 15 | 0 |
| 1986 | 13 | 0 |
| 1987 | 10 | 0 |
| 1988 | 22 | 0 |
| 1989 | 35 | 0 |
| 1990 | 42 | 0 |
| 1991 | 28 | 0 |
| 1992 | 35 | 0 |
| 1993 | 30 | 0 |
| 1994 | 49 | 0 |
| 1995 | 22 | 0 |
| 1996 | 31 | 0 |
| 1997 | 27 | 0 |
| 1998 | 42 | 0 |
| 1999 | 33 | 0 |
| 2000 | 29 | 0 |
| 2001 | 26 | 7 |
| 2002 | 21 | 19 |
| 2003 | 25 | 14 |
| 2004 | 11 | 17 |
| 2005 | 5 | 8 |
| 2006 | 1 | 7 |
| 2007 | 1 | 10 |
| 2008 | 5 | 9 |
| 2009 | 1 | 12 |
| 2010 | 7 | 8 |
| 2011 | 9 | 11 |
| 2012 | 1 | 10 |
| 2013 | 10 | 10 |
| 2014 | 11 | 12 |
| 2015 | 14 | 7 |
| 2016 | 4 | 7 |
| 2017 | 6 | 16 |
| 2018 | 4 | 11 |
| 2019 | 13 | 12 |
| 2020 | 10 | 10 |
| 2021 | 8 | 7 |
| 2022 | 5 | 3 |
| 2023 | 3 | 4 |
| 2024 | 3 | 6 |
| 2025 | 5 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for reduction of abnormal combustion events13 Jan 2026US 12,522,779 B2Infineum International Limited
- Additives with high sulfurization for lubricating oil compositions28 Oct 2025US 12,454,656 B2Afton Chemical Corporation
- Basic ashless additives and lubricating compositions containing same29 Jul 2025US 12,371,631 B2The Lubrizol Corporation
- Lubricant compositions for direct injection engine15 Apr 2025US 12,275,912 B2The Lubrizol Corporation
- Additives with high sulfurization for lubricating oil compositions8 Apr 2025US 12,270,003 B2Afton Chemical Corporation
- Marine diesel cylinder lubricating oil compositions15 Jan 2026US 2026/0015551 A1Chevron Oronite Company LLC
- Additives with high sulfurization for lubricating oil compositions24 Jul 2025US 2025/0236807 A1Afton Chemical Corporation
- Lubricating oil composition for two-wheeled motor vehicles20 Mar 2025US 2025/0092328 A1Idemitsu Kosan Co., Ltd.
- Detergent systems for improved piston cleanliness31 Oct 2024US 2024/0360376 A1Afton Chemical Corporation
- Polyalphaolefin phenols with high para-position selectivity11 Jul 2024US 2024/0228904 A1Afton Chemical Corporation
Most cited
By later US patents
- Lubricating composition228US 4,956,122 AUniroyal Chemical Company, Inc. · 1990
- Video device synchronization system190US 4,532,547 AAmpex Corporation · 1985
- Oil-soluble phosphorus antiwear additives for lubricants118US 4,857,214 AEthylk Petroleum Additives, Inc. · 1989
- Extended life functional fluid116US 3,933,659 AChevron Research Company · 1976
- Ashless dispersants formed from substituted acylating agents and their production and use115US 5,241,003 AEthyl Petroleum Additives, Inc. · 1993