C10M 157/00
Lubricating compositions characterised by the additive being a mixture of two or
Official title: Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential
C10M157/00 (Lubricating compositions characterised by the additive being a mixture of two or) appears on 197 US grants and 188 published applications in this corpus.
Search patents in C10M- Granted patents
- 197
- Published applications
- 188
- Assignees
- 108
- Inventors
- 544
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 2 |
| 2003 | 4 | 4 |
| 2004 | 4 | 6 |
| 2005 | 0 | 7 |
| 2006 | 2 | 4 |
| 2007 | 3 | 4 |
| 2008 | 3 | 4 |
| 2009 | 0 | 4 |
| 2010 | 2 | 4 |
| 2011 | 3 | 4 |
| 2012 | 2 | 5 |
| 2013 | 3 | 6 |
| 2014 | 8 | 3 |
| 2015 | 3 | 10 |
| 2016 | 4 | 4 |
| 2017 | 3 | 8 |
| 2018 | 4 | 6 |
| 2019 | 3 | 15 |
| 2020 | 9 | 12 |
| 2021 | 4 | 11 |
| 2022 | 7 | 12 |
| 2023 | 17 | 18 |
| 2024 | 14 | 13 |
| 2025 | 8 | 9 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C10M 157/04At least one of them being a nitrogen-containing compound67
- C10M 157/10At least one of them being a compound containing atoms of elements40
- C10M 157/06At least one of them being a sulfur-, selenium- or tellurium-containing compound15
- C10M 157/08At least one of them being a phosphorus-containing compound10
- C10M 157/02At least one of them being a halogen-containing compound8
Recent patents
- Lubricant formulations containing functionalized olefin polymers and reduced traditional dispersant4 Aug 2026US 12,698,453 B2Infineum International Limited
- Multipurpose oxypyridinones and their functional use-37 Jul 2026US 12,674,113 B2Infineum International Limited
- Method of lubricating an automotive or industrial gear17 Mar 2026US 12,577,494 B2The Lubrizol Corporation
- Viscosity index enhancer composition, additive composition for lubricating oil, and lubricating oil composition27 Jan 2026US 12,534,682 B2Idemitsu Kosan Co., Ltd.
- Methods of reducing lead corrosion in an internal combustion engine20 Jan 2026US 12,529,006 B2Afton Chemical Corporation
- Friction modifier for automatic transmission fluid24 Sep 2026US 2026/0286243 A1Chevron Oronite Company LLC
- Industrial gear lubricant27 Aug 2026US 2026/0250597 A1The Lubrizol Corporation
- Lubricating oil composition20 Aug 2026US 2026/0242683 A1Idemitsu Kosan Co., Ltd.
- Lubricating Composition With Phenolic Antioxidant And Low Active Sulfur13 Aug 2026US 2026/0234492 A1The Lubrizol Corporation
- Lubricant compositions and methods of lubricating internal combustion engines4 Jun 2026US 2026/0152698 A1The Lubrizol Corporation
Most cited
By later US patents
- Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives173US 5,498,809 AExxon Chemical Patents Inc. · 1996
- Composite lubricant for hard disk media71US 7,998,912 B2WD Media, LLC · 2011
- Terpolymers based on .alpha.,.beta.-unsaturated dicarboxylic anhydrides, .alpha.,.beta.-unsaturated compounds and polyoxyalkylene ethers of lower unsaturated alcohols66US 5,391,632 AHoechst Aktiengesellschaft · 1995
- Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them41US 5,523,008 ACastrol Limited · 1996
- Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them41US 5,663,126 ACastrol Limited · 1997