C10M 2215/224
Imidazoles
C10M2215/224 (Imidazoles) appears on 482 US grants and 254 published applications in this corpus.
Search patents in C10M- Granted patents
- 482
- Published applications
- 254
- Assignees
- 172
- Inventors
- 857
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 12 | 0 |
| 1978 | 28 | 0 |
| 1979 | 22 | 0 |
| 1980 | 16 | 0 |
| 1981 | 11 | 0 |
| 1982 | 9 | 0 |
| 1983 | 17 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 14 | 0 |
| 1997 | 21 | 0 |
| 1998 | 21 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 1 |
| 2002 | 9 | 5 |
| 2003 | 12 | 11 |
| 2004 | 5 | 3 |
| 2005 | 2 | 12 |
| 2006 | 2 | 9 |
| 2007 | 1 | 5 |
| 2008 | 4 | 9 |
| 2009 | 3 | 14 |
| 2010 | 4 | 15 |
| 2011 | 5 | 9 |
| 2012 | 11 | 24 |
| 2013 | 12 | 17 |
| 2014 | 12 | 21 |
| 2015 | 15 | 14 |
| 2016 | 14 | 9 |
| 2017 | 14 | 19 |
| 2018 | 9 | 15 |
| 2019 | 7 | 14 |
| 2020 | 10 | 7 |
| 2021 | 9 | 6 |
| 2022 | 8 | 5 |
| 2023 | 4 | 2 |
| 2024 | 5 | 3 |
| 2025 | 1 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anti-stiction ionic lubricants in MEMS devices11 Aug 2026US 12,703,834 B1Texas Instruments Incorporated
- Detergent-free and low-ash lubricating composition19 May 2026US 12,630,778 B2Afton Chemical Corporation
- Water-miscible functional fluid, undiluted stock of water-miscible functional fluid, sterilizer for water-miscible functional fluid, and method of sterilizing water-miscible function fluid22 Jul 2025US 12,365,850 B2Yushiro Chemical Industry Co., Ltd.
- Low ash lubricating compositions for controlling steel corrosion19 Nov 2024US 12,146,115 B2Afton Chemical Corporation
- Lubricating agent15 Oct 2024US 12,116,545 B2Kao Corporation
- Extreme pressure anti-wear additive, and preparation method thereof and use thereof in lubricating oil9 Jul 2026US 2026/0193559 A1Lanzhou Institute of Chemical Physics, CAS
- Hydraulic fluid composition21 May 2026US 2026/0139197 A1The Lubrizol Corporation
- Double-network ion gel of polyurethane/1-methyl-3-allyl imidazole metal salt, and preparation method and use thereof11 Sep 2025US 2025/0282913 A1Lanzhou Institute of Chemical Physics, CAS
- Increased electric conductivity of a lubricant with amphiphilic amine and amphiphilic acid4 Sep 2025US 2025/0277163 A1BASF SE
- Oil composition for power steering with excellent load carrying capacity and wear resistance17 Apr 2025US 2025/0122441 A1Chang Am Cals Co., Ltd
Most cited
By later US patents
- Lubricating composition228US 4,956,122 AUniroyal Chemical Company, Inc. · 1990
- Stabilized imide graft of ethylene copolymeric additives for lubricants117US 4,137,185 AExxon Research & Engineering Co. · 1979
- Lubricants for refrigeration compressors105US 4,851,144 AThe Dow Chemical Company · 1989
- Nitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants102US 4,454,059 AThe Lubrizol Corporation · 1984
- Metal-containing lubricant compositions90US 4,767,551 AAmoco Corporation · 1988