C10M 133/52
Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing
Official title: having a carbon chain of 30 or more atoms
C10M133/52 (Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing) appears on 969 US grants and 303 published applications in this corpus.
Search patents in C10M- Granted patents
- 969
- Published applications
- 303
- Assignees
- 139
- Inventors
- 1,101
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 18 | 0 |
| 1979 | 9 | 0 |
| 1980 | 10 | 0 |
| 1981 | 11 | 0 |
| 1982 | 10 | 0 |
| 1983 | 17 | 0 |
| 1984 | 10 | 0 |
| 1985 | 14 | 0 |
| 1986 | 23 | 0 |
| 1987 | 31 | 0 |
| 1988 | 14 | 0 |
| 1989 | 35 | 0 |
| 1990 | 37 | 0 |
| 1991 | 24 | 0 |
| 1992 | 31 | 0 |
| 1993 | 38 | 0 |
| 1994 | 60 | 0 |
| 1995 | 44 | 0 |
| 1996 | 46 | 0 |
| 1997 | 68 | 0 |
| 1998 | 63 | 0 |
| 1999 | 53 | 0 |
| 2000 | 37 | 0 |
| 2001 | 26 | 4 |
| 2002 | 20 | 18 |
| 2003 | 15 | 13 |
| 2004 | 10 | 16 |
| 2005 | 8 | 9 |
| 2006 | 3 | 8 |
| 2007 | 4 | 9 |
| 2008 | 3 | 14 |
| 2009 | 3 | 15 |
| 2010 | 12 | 16 |
| 2011 | 9 | 9 |
| 2012 | 9 | 8 |
| 2013 | 11 | 10 |
| 2014 | 8 | 15 |
| 2015 | 7 | 11 |
| 2016 | 17 | 18 |
| 2017 | 9 | 21 |
| 2018 | 10 | 25 |
| 2019 | 17 | 22 |
| 2020 | 17 | 13 |
| 2021 | 12 | 8 |
| 2022 | 6 | 4 |
| 2023 | 5 | 8 |
| 2024 | 6 | 4 |
| 2025 | 2 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Liquid alkylated phenyl-alpha-naphthylamine with reduced aquatic toxicity17 Sep 2026US 2026/0275225 A1BASF SE
- Hydraulic fluid compositions for agricultural machinery17 Sep 2026US 2026/0275227 A1Chevron Oronite Company LLC
- Friction modifier for wet clutch23 Apr 2026US 2026/0109911 A1Chevron Oronite Company LLC
- Lubricant additives23 Oct 2025US 2025/0326981 A1
- Low molecular weight dispersants25 Sep 2025US 2025/0297187 A1
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
- Modified succinimides173US 4,612,132 AChevron Research Company · 1986
- Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives173US 5,498,809 AExxon Chemical Patents Inc. · 1996
- Polybutyl-and polyisobutylamines, their preparation, and fuel compositions containing these135US 4,832,702 ABASF SE · 1989
- Oil-soluble phosphorus antiwear additives for lubricants118US 4,857,214 AEthylk Petroleum Additives, Inc. · 1989