C10L 1/2443
Heterocyclic compounds
Official title: {heterocyclic compounds}
C10L1/2443 (Heterocyclic compounds) appears on 165 US grants and 53 published applications in this corpus.
Search patents in C10L- Granted patents
- 165
- Published applications
- 53
- Assignees
- 56
- Inventors
- 272
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 10 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 1 |
| 2002 | 3 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 5 |
| 2005 | 0 | 4 |
| 2006 | 0 | 7 |
| 2007 | 1 | 1 |
| 2008 | 2 | 6 |
| 2009 | 2 | 3 |
| 2010 | 1 | 3 |
| 2011 | 2 | 2 |
| 2012 | 3 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 3 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 4 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Triazinanes possessing thiosulfonate end-groups and methods of making them6 Jan 2026US 12,516,028 B2Flexsys IP Holdings, LLC
- Phenothiazine compound, its preparation and use in rubber blends and vehicle tires, as ageing protectant, antioxidant, antiozonant and colorant25 Nov 2025US 12,479,810 B2Continental Reifen Deutschland GmbH
- Triazinane derivatives and methods of making them9 Sep 2025US 12,410,144 B2Flexsys America L. P.
- Triazinanes and methods of making them20 Feb 2024US 11,905,256 B2Flexsys America L. P.
- Silver corrosion inhibitor composition and method of use3 Jan 2023US 11,542,452 B2Bl Technologies, Inc.
- Antidegradant compounds and uses thereof27 Feb 2025US 2025/0066304 A1
- Phenothiazine compound, its preparation and use in rubber blends and vehicle tires, as ageing protectant, antioxidant, antiozonant and colorant18 Jan 2024US 2024/0018112 A1Continental Reifen Deutschland GmbH
- Triazinanes possessing thiosulfonate end-groups and methods of making them8 Jun 2023US 2023/0174495 A1Flexsys IP Holdings, LLC
- Triazinane derivatives and methods of making them22 Sep 2022US 2022/0298123 A1Flexsys America L. P.
- Fuel oil composition23 Jun 2022US 2022/0195321 A1Adeka Corporation
Most cited
By later US patents
- Method for tagging petroleum products91US 5,525,516 AEastman Chemical Company · 1996
- Modification of fuel oils for compatibility61US 9,803,152 B2ExxonMobil Research and Engineering Company · 2017
- Amino phenols useful as additives for fuels and lubricants53US 4,320,021 AThe Lubrizol Corporation · 1982
- Metal salt complexes of 3-isothiazolones42US 4,150,026 ARohm and Haas Company · 1979
- Additives and fuel oil compositions41US 5,882,364 AExxon Chemical Patents Inc. · 1999