C10M 159/24
Containing sulfonic radicals
Official title: containing sulfonic radicals
C10M159/24 (Containing sulfonic radicals) appears on 484 US grants and 159 published applications in this corpus.
Search patents in C10M- Granted patents
- 484
- Published applications
- 159
- Assignees
- 120
- Inventors
- 756
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 10 | 0 |
| 1982 | 4 | 0 |
| 1983 | 8 | 0 |
| 1984 | 11 | 0 |
| 1985 | 13 | 0 |
| 1986 | 9 | 0 |
| 1987 | 10 | 0 |
| 1988 | 15 | 0 |
| 1989 | 18 | 0 |
| 1990 | 16 | 0 |
| 1991 | 15 | 0 |
| 1992 | 20 | 0 |
| 1993 | 13 | 0 |
| 1994 | 32 | 0 |
| 1995 | 17 | 0 |
| 1996 | 24 | 0 |
| 1997 | 23 | 0 |
| 1998 | 33 | 0 |
| 1999 | 15 | 0 |
| 2000 | 26 | 0 |
| 2001 | 16 | 4 |
| 2002 | 18 | 13 |
| 2003 | 13 | 7 |
| 2004 | 10 | 11 |
| 2005 | 5 | 6 |
| 2006 | 3 | 9 |
| 2007 | 4 | 9 |
| 2008 | 0 | 6 |
| 2009 | 5 | 5 |
| 2010 | 1 | 7 |
| 2011 | 4 | 4 |
| 2012 | 3 | 6 |
| 2013 | 8 | 5 |
| 2014 | 8 | 5 |
| 2015 | 6 | 5 |
| 2016 | 2 | 7 |
| 2017 | 1 | 8 |
| 2018 | 5 | 8 |
| 2019 | 6 | 14 |
| 2020 | 4 | 3 |
| 2021 | 5 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 5 |
| 2025 | 0 | 1 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transmission lubricants containing molybdenum19 May 2026US 12,630,779 B2Afton Chemical Corporation
- Lubricating oil compositions21 Apr 2026US 12,606,764 B2Chevron Japan Ltd.
- Mineral-oil-free lubricant and method for producing a mineral-oil-free lubricant5 Mar 2024US 11,920,103 B2Kajo GmbH
- Grease composition and hub unit23 Aug 2022US 11,421,176 B2Jtekt Corporation
- Lubricating oil composition12 Oct 2021US 11,142,719 B2Infineum International Limited
- Production of sustainable sulfonates through treatment of re-refined base oils13 Aug 2026US 2026/0234102 A1HollyFrontier LSP Brand Strategies LLC
- Lubricating fluid for internal combustion engines fueled with alternative combustion fuels having high auto-ignition temperatures13 Aug 2026US 2026/0234491 A1Afton Chemical Corporation
- Lubricating fluid for internal combustion engines fueled with alternative combustion fuels having high auto-ignition temperatures13 Aug 2026US 2026/0234493 A1Afton Chemical Corporation
- Lubricating fluid for internal combustion engines fueled with alternative combustion fuels having high auto-ignition temperatures13 Aug 2026US 2026/0234497 A1Afton Chemical Corporation
- Rust-preventive lubricating oil composition21 May 2026US 2026/0139196 A1Hi-Lex Corporation
Most cited
By later US patents
- Lubricating oil compositions and concentrates and the use thereof108US 5,652,201 AEthyl Petroleum Additives, Inc. · 1997
- Metal-containing lubricant compositions90US 4,767,551 AAmoco Corporation · 1988
- Ashless dispersants formed from substituted acylating agents and their production and use82US 5,137,980 AEthyl Petroleum Additives, Inc. · 1992
- High oleic polyol esters, compositions and lubricants, functional fluids and greases containing the same73US 5,773,391 AThe Lubrizol Corporation · 1998
- Lubricating oil composition73US 6,300,291 B1Infineum USA L.P. · 2001