C10M 135/02
Sulfurised compounds
C10M135/02 (Sulfurised compounds) appears on 348 US grants and 105 published applications in this corpus.
Search patents in C10M- Granted patents
- 348
- Published applications
- 105
- Assignees
- 124
- Inventors
- 592
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 11 | 0 |
| 1980 | 9 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 10 | 0 |
| 1987 | 11 | 0 |
| 1988 | 14 | 0 |
| 1989 | 10 | 0 |
| 1990 | 17 | 0 |
| 1991 | 11 | 0 |
| 1992 | 11 | 0 |
| 1993 | 10 | 0 |
| 1994 | 20 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 19 | 0 |
| 1998 | 18 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 10 | 2 |
| 2002 | 12 | 7 |
| 2003 | 4 | 3 |
| 2004 | 1 | 2 |
| 2005 | 6 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 7 |
| 2013 | 1 | 3 |
| 2014 | 2 | 6 |
| 2015 | 2 | 5 |
| 2016 | 5 | 10 |
| 2017 | 6 | 6 |
| 2018 | 6 | 8 |
| 2019 | 5 | 10 |
| 2020 | 3 | 7 |
| 2021 | 7 | 4 |
| 2022 | 4 | 4 |
| 2023 | 7 | 2 |
| 2024 | 4 | 5 |
| 2025 | 3 | 5 |
| 2026 | 2 | 5 |
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
- Antioxidants with high mono-alkylated diphenylamine content21 Apr 2026US 12,606,769 B2Chevron Oronite Company LLC
- Additives with high sulfurization for lubricating oil compositions28 Oct 2025US 12,454,656 B2Afton Chemical Corporation
- Zinc free lubricating compositions and methods of using the same20 May 2025US 12,305,141 B2The Lubrizol Corporation
- Additives with high sulfurization for lubricating oil compositions8 Apr 2025US 12,270,003 B2Afton Chemical Corporation
- Grease composition10 Sep 2026US 2026/0265636 A1Adeka Corporation
- 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
- Lubricating oil compositions14 May 2026US 2026/0132352 A1
Most cited
By later US patents
- Sulfurized compositions102US 4,119,549 AThe Lubrizol Corporation · 1978
- Metal-containing lubricant compositions90US 4,767,551 AAmoco Corporation · 1988
- Ashless dispersants formed from substituted acylating agents and their production and use82US 5,137,980 AEthyl Petroleum Additives, Inc. · 1992
- Sulfurized compositions74US 4,191,659 AThe Lubrizol Corporation · 1980
- High oleic polyol esters, compositions and lubricants, functional fluids and greases containing the same73US 5,773,391 AThe Lubrizol Corporation · 1998