C10M 149/00
Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen
C10M149/00 (Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen) appears on 819 US grants and 447 published applications in this corpus.
Search patents in C10M- Granted patents
- 819
- Published applications
- 447
- Assignees
- 272
- Inventors
- 1,569
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 14 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 20 | 0 |
| 1988 | 21 | 0 |
| 1989 | 29 | 0 |
| 1990 | 26 | 0 |
| 1991 | 34 | 0 |
| 1992 | 31 | 0 |
| 1993 | 26 | 0 |
| 1994 | 44 | 0 |
| 1995 | 28 | 0 |
| 1996 | 33 | 0 |
| 1997 | 42 | 0 |
| 1998 | 43 | 0 |
| 1999 | 22 | 0 |
| 2000 | 24 | 0 |
| 2001 | 18 | 5 |
| 2002 | 17 | 10 |
| 2003 | 11 | 8 |
| 2004 | 10 | 13 |
| 2005 | 6 | 12 |
| 2006 | 4 | 16 |
| 2007 | 4 | 9 |
| 2008 | 6 | 24 |
| 2009 | 5 | 13 |
| 2010 | 16 | 18 |
| 2011 | 10 | 10 |
| 2012 | 10 | 18 |
| 2013 | 12 | 16 |
| 2014 | 11 | 28 |
| 2015 | 14 | 14 |
| 2016 | 13 | 18 |
| 2017 | 21 | 21 |
| 2018 | 10 | 29 |
| 2019 | 12 | 36 |
| 2020 | 27 | 20 |
| 2021 | 17 | 19 |
| 2022 | 19 | 16 |
| 2023 | 16 | 19 |
| 2024 | 14 | 14 |
| 2025 | 11 | 20 |
| 2026 | 7 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lubricant compositions providing robust valvetrain wear protection in the ford 6.7L engine test1 Sep 2026US 12,723,215 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.
- Sliding member14 Jul 2026US 12,680,049 B2Sumitomo Electric Industries, Ltd.
- Multipurpose oxypyridinones and their functional use-37 Jul 2026US 12,674,113 B2Infineum International Limited
- 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
- Marine lubricating oil compositions17 Sep 2026US 2026/0275228 A1Chevron Oronite Company LLC
- Industrial gear lubricant27 Aug 2026US 2026/0250597 A1The Lubrizol Corporation
- Processes for producing reaction products including quaternary ammonium salts13 Aug 2026US 2026/0234299 A1The Lubrizol Corporation
Most cited
By later US patents
- Novel VI improver, dispersant, and anti-oxidant additive and lubricating oil composition containing same122US 4,863,623 ATexaco Inc. · 1989
- Polymeric dispersants having alternating polyalkylene and succinic groups111US 5,112,507 AChevron Research and Technology Company · 1992
- Viscosity index improver--dispersant additive useful in oil compositions107US 4,780,228 AExxon Chemical Patents Inc. · 1988
- Polymeric additives for fuels and lubricants97US 4,089,794 AExxon Research & Engineering Co. · 1978
- Dispersant and antioxidant additive and lubricating oil composition containing same97US 5,075,383 ATexaco Inc. · 1991