C10M 135/34
The ring containing sulfur and carbon only
Official title: the ring containing sulfur and carbon only
C10M135/34 (The ring containing sulfur and carbon only) appears on 70 US grants and 25 published applications in this corpus.
Search patents in C10M- Granted patents
- 70
- Published applications
- 25
- Assignees
- 33
- Inventors
- 110
- Latest grant
- 13 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 4 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 3 |
| 2014 | 5 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cyclic phosphonate esters for lubricant applications13 Aug 2024US 12,060,537 B2The Lubrizol Corporation
- Phenol derivative, and preparation process and use thereof17 Oct 2023US 11,787,757 B2China Petroleum & Chemical Corporation
- Aliphatic tetrahedral borate compounds for lubricating compositions4 Oct 2022US 11,459,520 B2The Lubrizol Corporation
- Aliphatic tetrahedral borate compounds for fully formulated lubricating compositions15 Sep 2020US 10,774,283 B2The Lubrizol Corporation
- Detergent-dispersant, additive composition for lubricant, and lubricant composition7 Jul 2015US 9,074,158 B2Idemitsu Kosan Co., Ltd.
- Cyclic phosphonate esters for lubricant applications17 Aug 2023US 2023/0257675 A1The Lubrizol Corporation
- Lubricating oil composition, shock absorber, and method for using lubricating oil composition10 Aug 2023US 2023/0250357 A1Idemitsu Kosan Co., Ltd.
- Phenol derivative, and preparation process and use thereof10 Feb 2022US 2022/0041535 A1China Petroleum & Chemical Corporation
- Aliphatic tetrahedral borate compounds for fully formulated lubricating compositions26 Sep 2019US 2019/0292483 A1The Lubrizol Corporation
- Aliphatic tetrahedral borate compounds for lubricating compositions29 Aug 2019US 2019/0264123 A1The Lubrizol Corporation
Most cited
By later US patents
- Lubricants and functional fluids containing substituted sulfolanes as seal swelling agents39US 4,029,587 AThe Lubrizol Corporation · 1977
- Epoxidized estolides and methods of making and using the same36US 8,258,326 B1LubriGreen Biosynthetics, LLC · 2012
- Dioxolanes and thio analogs, derivatives thereof and lubricants and fuels containing same34US 4,792,411 AThe Lubrizol Corporation · 1988
- Corrosion inhibitors for boron-containing lubricants28US 4,412,928 AUnion Oil Company of California · 1983
- Method of reducing leaching of cobalt from metal working tools containing tungsten carbide particles bonded by cobalt24US 4,315,889 AAshland Oil, Inc. · 1982