C10M 133/56
Amides
Official title: Amides; Imides
C10M133/56 (Amides) appears on 547 US grants and 215 published applications in this corpus.
Search patents in C10M- Granted patents
- 547
- Published applications
- 215
- Assignees
- 105
- Inventors
- 781
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 18 | 0 |
| 1987 | 26 | 0 |
| 1988 | 9 | 0 |
| 1989 | 12 | 0 |
| 1990 | 11 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 18 | 0 |
| 1994 | 26 | 0 |
| 1995 | 31 | 0 |
| 1996 | 24 | 0 |
| 1997 | 46 | 0 |
| 1998 | 43 | 0 |
| 1999 | 32 | 0 |
| 2000 | 19 | 0 |
| 2001 | 14 | 2 |
| 2002 | 12 | 14 |
| 2003 | 7 | 11 |
| 2004 | 8 | 10 |
| 2005 | 5 | 9 |
| 2006 | 2 | 8 |
| 2007 | 3 | 8 |
| 2008 | 3 | 10 |
| 2009 | 3 | 14 |
| 2010 | 10 | 15 |
| 2011 | 9 | 6 |
| 2012 | 6 | 6 |
| 2013 | 9 | 8 |
| 2014 | 7 | 8 |
| 2015 | 6 | 5 |
| 2016 | 10 | 10 |
| 2017 | 5 | 17 |
| 2018 | 2 | 11 |
| 2019 | 8 | 14 |
| 2020 | 8 | 10 |
| 2021 | 8 | 5 |
| 2022 | 5 | 2 |
| 2023 | 5 | 7 |
| 2024 | 5 | 4 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- SAPS-free twin-tail amine derivatives additives for lubricant for friction modification and wear prevention21 Apr 2026US 12,606,763 B2Specialty Operations France
- Succinimide dispersants post-treated with aromatic glycidyl ethers that exhibit good soot handling performance17 Mar 2026US 12,577,492 B2Chevron Oronite Company LLC
- Lubricating oil composition, buffer and method for using lubricating oil composition29 Apr 2025US 12,286,601 B2Idemitsu Kosan Co., Ltd.
- Lubricant compositions for direct injection engine15 Apr 2025US 12,275,912 B2The Lubrizol Corporation
- Engine oil composition1 Oct 2024US 12,104,137 B2Shell USA, Inc.
- Friction modifier for wet clutch23 Apr 2026US 2026/0109911 A1Chevron Oronite Company LLC
- Saps-free twin-tail amine derivatives additives for lubricant for friction modification and wear prevention15 Aug 2024US 2024/0271054 A1Specialty Operations France
- Lubricating oil composition13 Jun 2024US 2024/0191154 A1Idemitsu Kosan Co., Ltd.
- Lubricating oil composition, buffer and method for using lubricating oil composition2 May 2024US 2024/0141249 A1Idemitsu Kosan Co., Ltd.
- Lubricant composition4 Apr 2024US 2024/0110121 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Modified succinimides173US 4,612,132 AChevron Research Company · 1986
- Modified high molecular weight succinimides114US 5,334,321 AChevron Research and Technology Company, a Division of Chevron U.S.A. Inc. · 1994
- Hydrocarbyl-substituted mono- and bis-succinimide having polyamine chain linked hydroxyacyl radicals and mineral oil compositions containing same112US 4,482,464 ATexaco Inc. · 1984
- Dispersant compositions108US 3,948,800 AThe Lubrizol Corporation · 1976
- Lubricating oil dispersant and viton seal additives108US 4,636,322 ATexaco Inc. · 1987