C10M 133/50
Morpholines
C10M133/50 (Morpholines) appears on 26 US grants and 9 published applications in this corpus.
Search patents in C10M- Granted patents
- 26
- Published applications
- 9
- Assignees
- 21
- Inventors
- 81
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 1,4-benzoxazine compounds and lubricant compositions containing the same21 Apr 2026US 12,606,767 B2The Lubrizol Corporation
- Metal working fluid27 Apr 2021US 10,988,703 B2Italmatch Chemicals SC LLC
- Michael adduct amino esters as total base number boosters for marine diesel engine lubricating compositions3 Mar 2020US 10,577,556 B2The Lubrizol Corporation
- Method of using ionic liquids to improve the lubrication of chains, steel belts, wheel bearings, roller bearings, and electric motors15 Apr 2014US 8,697,618 B2Klüber Lubrication München KG
- Morpholine derivatives as ashless TBN sources and lubricating oil compositions containing same27 Mar 2012US 8,143,201 B2Infineum International Limited
- 1,4-Benzoxazine Compounds And Lubricant Compositions Containing The Same10 Apr 2025US 2025/0115823 A1The Lubrizol Corporation
- Metal Working Fluid21 Jan 2021US 2021/0017465 A1Italmatch Chemicals SC LLC
- Michael Adduct Amino Esters As Total Base Number Boosters For Marine Diesel Engine Lubricating Compositions26 Jul 2018US 2018/0208868 A1The Lubrizol Corporation
- Method of using ionic liquids to improve the lubrication of chains, steel belts, wheel bearings, roller bearings, and electric motors9 Aug 2012US 2012/0202724 A1Klueber Lubrication Muenchen SE & Co. KG
- Morpholine Derivatives as Ashless TBN Sources and Lubricating Oil Compositions Containing Same15 Sep 2011US 2011/0224114 A1Infineum International Limited
Most cited
By later US patents
- Method for reducing piston deposits31US 4,906,389 AExxon Research & Engineering Co. · 1990
- Stabilized polymers, novel stabilizers, and synthesis thereof25US 4,310,429 AThe B. F. Goodrich Company · 1982
- Stabilized phosphate ester-based functional fluid compositions23US 5,464,551 AMonsanto Company · 1995
- Friction modifiers and antiwear additives for fuels and lubricants17US 5,482,521 AMobil Oil Corporation · 1996
- Method for the mechanical working of cast iron and an aqueous concentrate to be used in the method15US 4,564,461 ABerol Kemi AB · 1986