C10M 2207/288
Containing free carboxyl groups
Official title: containing free carboxyl groups
C10M2207/288 (Containing free carboxyl groups) appears on 478 US grants and 150 published applications in this corpus.
Search patents in C10M- Granted patents
- 478
- Published applications
- 150
- Assignees
- 164
- Inventors
- 813
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 11 | 0 |
| 1978 | 9 | 0 |
| 1979 | 17 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 11 | 0 |
| 1989 | 17 | 0 |
| 1990 | 19 | 0 |
| 1991 | 18 | 0 |
| 1992 | 17 | 0 |
| 1993 | 19 | 0 |
| 1994 | 19 | 0 |
| 1995 | 27 | 0 |
| 1996 | 26 | 0 |
| 1997 | 33 | 0 |
| 1998 | 27 | 0 |
| 1999 | 25 | 0 |
| 2000 | 18 | 0 |
| 2001 | 18 | 3 |
| 2002 | 11 | 11 |
| 2003 | 11 | 5 |
| 2004 | 6 | 10 |
| 2005 | 3 | 6 |
| 2006 | 1 | 6 |
| 2007 | 1 | 3 |
| 2008 | 1 | 5 |
| 2009 | 1 | 7 |
| 2010 | 8 | 12 |
| 2011 | 3 | 5 |
| 2012 | 6 | 6 |
| 2013 | 3 | 8 |
| 2014 | 1 | 4 |
| 2015 | 5 | 4 |
| 2016 | 5 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 9 |
| 2019 | 0 | 11 |
| 2020 | 4 | 5 |
| 2021 | 8 | 3 |
| 2022 | 4 | 6 |
| 2023 | 6 | 3 |
| 2024 | 3 | 5 |
| 2025 | 6 | 4 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Detergent-free and low-ash lubricating composition19 May 2026US 12,630,778 B2Afton Chemical Corporation
- Macromolecular corrosion (MCIN) inhibitors: structures, methods of making and using the same9 Dec 2025US 12,492,352 B2Polnox Corporation
- Grease composition for vehicular hub unit bearings11 Nov 2025US 12,467,012 B2Kyodo Yushi Co., Ltd.
- Lubricating oil composition26 Aug 2025US 12,398,339 B2Nof Corporation
- Lubricating oil composition for hybrid vehicles12 Aug 2025US 12,384,981 B2Chevron Japan Ltd.
- Composition comprising base oil and ashless ionic liquid27 Aug 2026US 2026/0250592 A1Petroliam Nasional Berhad (Petronas)
- Grease composition for rolling bearings, and rolling bearing25 Jun 2026US 2026/0176547 A1Kyodo Yushi Co., Ltd.
- Macromolecular corrosion (mcin) inhibitors: structures, methods of making and using the same16 Apr 2026US 2026/0103652 A1Polnox Corporation
- Grease composition and rolling device12 Feb 2026US 2026/0042973 A1Eneos Corporation
- Biolubricants for refrigeration systems and other applications4 Sep 2025US 2025/0277158 A1NUOL Green Chemistry LLC
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
- Lubricating composition228US 4,956,122 AUniroyal Chemical Company, Inc. · 1990
- Video device synchronization system190US 4,532,547 AAmpex Corporation · 1985
- Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives173US 5,498,809 AExxon Chemical Patents Inc. · 1996
- Oil-soluble phosphorus antiwear additives for lubricants118US 4,857,214 AEthylk Petroleum Additives, Inc. · 1989