C10M 2219/044
Sulfonic acids, derivatives thereof
Official title: Sulfonic acids, Derivatives thereof, e.g. neutral salts
C10M2219/044 (Sulfonic acids, derivatives thereof) appears on 1,797 US grants and 987 published applications in this corpus.
Search patents in C10M- Granted patents
- 1,797
- Published applications
- 987
- Assignees
- 513
- Inventors
- 2,984
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 70 | 0 |
| 1977 | 63 | 0 |
| 1978 | 82 | 0 |
| 1979 | 65 | 0 |
| 1980 | 56 | 0 |
| 1981 | 60 | 0 |
| 1982 | 30 | 0 |
| 1983 | 38 | 0 |
| 1984 | 26 | 0 |
| 1985 | 23 | 0 |
| 1986 | 24 | 0 |
| 1987 | 15 | 0 |
| 1988 | 38 | 0 |
| 1989 | 49 | 0 |
| 1990 | 64 | 0 |
| 1991 | 46 | 0 |
| 1992 | 51 | 0 |
| 1993 | 47 | 0 |
| 1994 | 50 | 0 |
| 1995 | 28 | 0 |
| 1996 | 40 | 0 |
| 1997 | 40 | 0 |
| 1998 | 58 | 0 |
| 1999 | 38 | 0 |
| 2000 | 32 | 0 |
| 2001 | 36 | 6 |
| 2002 | 19 | 32 |
| 2003 | 41 | 39 |
| 2004 | 29 | 52 |
| 2005 | 12 | 36 |
| 2006 | 14 | 36 |
| 2007 | 14 | 37 |
| 2008 | 10 | 37 |
| 2009 | 10 | 50 |
| 2010 | 31 | 52 |
| 2011 | 29 | 43 |
| 2012 | 26 | 51 |
| 2013 | 32 | 42 |
| 2014 | 36 | 50 |
| 2015 | 44 | 41 |
| 2016 | 36 | 29 |
| 2017 | 26 | 47 |
| 2018 | 26 | 48 |
| 2019 | 27 | 44 |
| 2020 | 27 | 28 |
| 2021 | 24 | 38 |
| 2022 | 37 | 31 |
| 2023 | 18 | 40 |
| 2024 | 20 | 22 |
| 2025 | 25 | 29 |
| 2026 | 15 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compound, corrosion inhibitor, and lubricant composition15 Sep 2026US 12,735,393 B2Idemitsu Kosan Co., Ltd.
- Lubricant formulations containing functionalized olefin polymers and reduced traditional dispersant4 Aug 2026US 12,698,453 B2Infineum International Limited
- Ball screw grease composition for rack-assisted electric power steering14 Jul 2026US 12,680,047 B2Kyodo Yushi Co., Ltd.
- Multipurpose oxypyridinones and their functional use-37 Jul 2026US 12,674,113 B2Infineum International Limited
- Lubricating fluid for internal combustion engines fueled with alternative combustion fuels having high auto-ignition temperatures23 Jun 2026US 12,662,646 B2Afton Chemical Corporation
- Lubricating compositions8 Oct 2026US 2026/0308473 A1Tribodyn, Inc.
- Lubricating oil composition8 Oct 2026US 2026/0308474 A1Eneos Corporation
- Lubricating fluid for internal combustion engines fueled with alternative combustion fuels having high auto-ignition temperatures17 Sep 2026US 2026/0275226 A1Afton Chemical Corporation
- Lubricating oil composition10 Sep 2026US 2026/0265635 A1Idemitsu Kosan Co., Ltd.
- Aftertreatment system friendly engine oil formulation3 Sep 2026US 2026/0258317 A1Chevron Oronite Company LLC
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
- Thread sealant and anti-seize compound130US 5,093,015 AJet-Lube, Inc. · 1992
- Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions124US 4,517,104 AExxon Research & Engineering Co. · 1985
- Polyolefinic copolymer additives for lubricants and fuels123US 4,160,739 ARohm and Haas Company · 1979