C10M 129/92
Carboxylic acids
C10M129/92 (Carboxylic acids) appears on 178 US grants and 52 published applications in this corpus.
Search patents in C10M- Granted patents
- 178
- Published applications
- 52
- Assignees
- 48
- Inventors
- 284
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 16 | 0 |
| 1999 | 12 | 0 |
| 2000 | 16 | 0 |
| 2001 | 7 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 4 |
| 2005 | 2 | 4 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 7 |
| 2015 | 3 | 1 |
| 2016 | 4 | 1 |
| 2017 | 2 | 5 |
| 2018 | 2 | 1 |
| 2019 | 4 | 4 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 4 |
| 2024 | 2 | 3 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lubricating oil compositions and use thereof for improving journal bearing durability in internal combustion engines2 Jun 2026US 12,644,067 B2Infineum International Limited
- Materials release agents, methods of making and using18 Mar 2025US 12,252,660 B2
- Lubricating oil composition18 Feb 2025US 12,227,715 B2Konasol Co., Ltd.
- Water-glycol hydraulic fluid7 Jan 2025US 12,187,977 B2Shell USA, Inc.
- Low sulfur diesel blockage inhibitor, preparation method therefor and use thereof27 Feb 2024US 11,912,657 B2China Petroleum & Chemical Corporation
- Lubricating oil compositions and use thereof for improving journal bearing durability in internal combustion engines10 Apr 2025US 2025/0115822 A1Infineum International Limited
- Lubricating oil composition9 May 2024US 2024/0150671 A1Konasol Co., Ltd.
- Materials release agents, methods of making and using28 Mar 2024US 2024/0101921 A1
- Lubricating oil composition25 Jan 2024US 2024/0026244 A1Konasol Co., Ltd.
- Water-glycol hydraulic fluid30 Nov 2023US 2023/0383214 A1Shell Oil Company
Most cited
By later US patents
- Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation764US 4,234,435 AThe Lubrizol Corporation · 1980
- Polymeric dispersants having alternating polyalkylene and succinic groups111US 5,112,507 AChevron Research and Technology Company · 1992
- Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920)88US 5,229,022 AExxon Chemical Patents Inc. · 1993
- Two-step method for the alkenylation of maleic anhydride and related compounds78US 4,110,349 AThe Lubrizol Corporation · 1978
- Visosity index improver74US 5,068,047 AExxon Chemical Patents Inc. · 1991