C07G 99/002
Compounds of unknown constitution containing sulfur
Official title: {Compounds of unknown constitution containing sulfur}
C07G99/002 (Compounds of unknown constitution containing sulfur) appears on 146 US grants and 9 published applications in this corpus.
Search patents in C07G- Granted patents
- 146
- Published applications
- 9
- Assignees
- 51
- Inventors
- 204
- Latest grant
- 7 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 11 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 7 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 2 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Sulfurized additives with low levels of alkyl phenols7 May 2024US 11,976,250 B2Afton Chemical Corporation
- Sulfurized additives with low levels of alkyl phenols7 Feb 2023US 11,572,523 B1Afton Chemical Corporation
- Alpha-olefin sulfonic dimer acid process11 Jun 2019US 10,315,988 B2Stepan Company
- Metal detergent and preparation method thereof and lubricant oil containing metal detergent29 May 2018US 9,982,212 B2Xinxiang Richful Lube Additive Co., Ltd.
- Overbased alkali metal alkylhydroxybenzoates having low crude sediment31 May 2011US 7,951,760 B2Chevron Oronite Company LLC
- Sulfurized additives with low levels of alkyl phenols27 Jul 2023US 2023/0235241 A1Afton Chemical Corporation
- Alpha-olefin sulfonic dimer acid process9 Aug 2018US 2018/0222854 A1Stepan Company
- Magnesium sulfonate synthesis28 Jun 2018US 2018/0179243 A1Infineum International Limited
- Metal detergent and preparation method thereof and lubricant oil containing metal detergent23 Feb 2017US 2017/0051227 A1Xinxiang City Ruifeng Chemical Co., Ltd
- Overbased alkali metal alkylhydroxybenzoates having low crude sediment1 Feb 2007US 2007/0027044 A1Chevron Oronite Company LLC
Most cited
By later US patents
- Sulfurized compositions102US 4,119,549 AThe Lubrizol Corporation · 1978
- Sulfurized compositions74US 4,191,659 AThe Lubrizol Corporation · 1980
- Sulfurized compositions65US 4,119,550 AThe Lubrizol Corporation · 1978
- Sulfurized compositions60US 4,344,854 AThe Lubrizol Corporation · 1982
- Sulfurized phenolic antioxidant composition, method of preparing same, and petroleum products containing same42US 6,096,695 AEthyl Corporation · 2000