C10M 161/00
Lubricating compositions characterised by the additive being a mixture of a macromolecular
Official title: Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
C10M161/00 (Lubricating compositions characterised by the additive being a mixture of a macromolecular) appears on 548 US grants and 587 published applications in this corpus.
Search patents in C10M- Granted patents
- 548
- Published applications
- 587
- Assignees
- 242
- Inventors
- 1,373
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 9 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 9 | 0 |
| 1998 | 25 | 0 |
| 1999 | 16 | 0 |
| 2000 | 12 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 3 |
| 2003 | 7 | 16 |
| 2004 | 7 | 5 |
| 2005 | 5 | 22 |
| 2006 | 3 | 12 |
| 2007 | 5 | 21 |
| 2008 | 8 | 14 |
| 2009 | 5 | 18 |
| 2010 | 9 | 21 |
| 2011 | 11 | 15 |
| 2012 | 13 | 15 |
| 2013 | 8 | 21 |
| 2014 | 12 | 22 |
| 2015 | 18 | 51 |
| 2016 | 26 | 44 |
| 2017 | 26 | 23 |
| 2018 | 19 | 33 |
| 2019 | 26 | 44 |
| 2020 | 23 | 25 |
| 2021 | 20 | 22 |
| 2022 | 22 | 25 |
| 2023 | 25 | 36 |
| 2024 | 29 | 30 |
| 2025 | 23 | 22 |
| 2026 | 14 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lubricant compositions for reduced pre-ignition in hydrogen fueled engines29 Sep 2026US 12,747,407 B2Infineum International Limited
- Lubricant formulations containing functionalized olefin polymers and reduced traditional dispersant4 Aug 2026US 12,698,453 B2Infineum International Limited
- Dispersions containing graphenic carbon nanoparticles and dispersant resins28 Jul 2026US 12,692,162 B2PPG Industries Ohio, Inc.
- Environmentally acceptable lubricant compositions14 Jul 2026US 12,680,050 B2Polnox Corporation
- Multipurpose oxypyridinones and their functional use-37 Jul 2026US 12,674,113 B2Infineum International Limited
- Lubricating oil composition8 Oct 2026US 2026/0308474 A1Eneos Corporation
- Dispersions containing graphenic carbon nanoparticles and dispersant resins1 Oct 2026US 2026/0296894 A1PPG Industries Ohio, Inc.
- Friction modifier for automatic transmission fluid24 Sep 2026US 2026/0286243 A1Chevron Oronite Company LLC
- Processing fluid17 Sep 2026US 2026/0275229 A1Idemitsu Kosan Co., Ltd.
- Lubricating fluid for internal combustion engines fueled with alternative combustion fuels having high auto-ignition temperatures13 Aug 2026US 2026/0234491 A1Afton Chemical Corporation
Most cited
By later US patents
- Ligands assayed by host molecules including cyclophanes, crown ethers, crypstands and podands119US 4,367,072 ABoehringer Mannheim GmbH · 1983
- Lubricant composition86US 4,105,571 AExxon Research & Engineering Co. · 1978
- Compositions, apparatus and methods useful for releasing solid lubricating oil additive78US 4,144,166 AAtlantic Richfield Company · 1979
- Low ash lubricant compositions for internal combustion engines (PT-727)59US 5,102,566 AExxon Chemical Patents Inc. · 1992
- Additives containing polytetrafluoroethylene for making stable lubricants57US 4,615,817 A1986