C10M 2215/226
Morpholines
C10M2215/226 (Morpholines) appears on 1,265 US grants and 89 published applications in this corpus.
Search patents in C10M- Granted patents
- 1,265
- Published applications
- 89
- Assignees
- 259
- Inventors
- 1,493
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 62 | 0 |
| 1977 | 50 | 0 |
| 1978 | 80 | 0 |
| 1979 | 65 | 0 |
| 1980 | 47 | 0 |
| 1981 | 52 | 0 |
| 1982 | 49 | 0 |
| 1983 | 42 | 0 |
| 1984 | 27 | 0 |
| 1985 | 25 | 0 |
| 1986 | 19 | 0 |
| 1987 | 34 | 0 |
| 1988 | 29 | 0 |
| 1989 | 59 | 0 |
| 1990 | 40 | 0 |
| 1991 | 40 | 0 |
| 1992 | 42 | 0 |
| 1993 | 42 | 0 |
| 1994 | 59 | 0 |
| 1995 | 39 | 0 |
| 1996 | 59 | 0 |
| 1997 | 45 | 0 |
| 1998 | 65 | 0 |
| 1999 | 39 | 0 |
| 2000 | 32 | 0 |
| 2001 | 33 | 4 |
| 2002 | 20 | 19 |
| 2003 | 20 | 11 |
| 2004 | 9 | 10 |
| 2005 | 6 | 6 |
| 2006 | 2 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 3 | 4 |
| 2010 | 2 | 5 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 3 | 2 |
| 2016 | 5 | 2 |
| 2017 | 2 | 4 |
| 2018 | 4 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 1,4-benzoxazine compounds and lubricant compositions containing the same21 Apr 2026US 12,606,767 B2The Lubrizol Corporation
- Ionic liquids containing quaternary ammonium and phosphonium cations, and their use as environmentally friendly lubricant additives19 Sep 2023US 11,760,766 B2UT-Battelle, LLC
- Azaphenothiazines and azaphenoxazines as antioxidants29 Nov 2022US 11,512,262 B2University of Ottawa
- Total base number boosters for marine diesel engine lubricating compositions30 Aug 2022US 11,427,780 B2The Lubrizol Corporation
- Nitrogen-functionalized olefin polymers for driveline lubricants23 Nov 2021US 11,180,711 B2The Lubrizol Corporation
- 1,4-Benzoxazine Compounds And Lubricant Compositions Containing The Same10 Apr 2025US 2025/0115823 A1The Lubrizol Corporation
- Soluble water scavenger molecules for use with dielectric fluids24 Aug 2023US 2023/0265349 A1General Electric Technology GmbH
- Ionic liquids containing quaternary ammonium and phosphonium cations, and their use as environmentally friendly lubricant additives3 Feb 2022US 2022/0033423 A1UT-Battelle, LLC
- Nitrogen-Functionalized Olefin Polymers for Driveline Lubricants6 May 2021US 2021/0130732 A1The Lubrizol Corporation
- Metal Working Fluid21 Jan 2021US 2021/0017465 A1Italmatch Chemicals SC LLC
Most cited
By later US patents
- Lubricating composition228US 4,956,122 AUniroyal Chemical Company, Inc. · 1990
- 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
- Stabilized imide graft of ethylene copolymeric additives for lubricants117US 4,137,185 AExxon Research & Engineering Co. · 1979
- Extended life functional fluid116US 3,933,659 AChevron Research Company · 1976