C10L 1/223
Having at least one amino group bound to an aromatic carbon atom
Official title: having at least one amino group bound to an aromatic carbon atom {(C10L1/221, C10L1/2227 take precedence)}
C10L1/223 (Having at least one amino group bound to an aromatic carbon atom) appears on 314 US grants and 255 published applications in this corpus.
Search patents in C10L- Granted patents
- 314
- Published applications
- 255
- Assignees
- 128
- Inventors
- 603
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 11 | 0 |
| 1995 | 11 | 0 |
| 1996 | 20 | 0 |
| 1997 | 13 | 0 |
| 1998 | 15 | 0 |
| 1999 | 18 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 1 |
| 2002 | 1 | 2 |
| 2003 | 6 | 9 |
| 2004 | 4 | 20 |
| 2005 | 3 | 10 |
| 2006 | 1 | 13 |
| 2007 | 4 | 7 |
| 2008 | 4 | 13 |
| 2009 | 7 | 10 |
| 2010 | 5 | 14 |
| 2011 | 10 | 14 |
| 2012 | 5 | 11 |
| 2013 | 8 | 11 |
| 2014 | 17 | 20 |
| 2015 | 8 | 16 |
| 2016 | 11 | 5 |
| 2017 | 4 | 13 |
| 2018 | 7 | 7 |
| 2019 | 14 | 8 |
| 2020 | 4 | 12 |
| 2021 | 8 | 2 |
| 2022 | 4 | 4 |
| 2023 | 3 | 6 |
| 2024 | 3 | 13 |
| 2025 | 6 | 5 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel compositions comprising a fuel oil obtained from the distillation of a pyrolysis oil25 Aug 2026US 12,716,040 B2Innospec Fuel Specialties LLC
- Unleaded avgas composition28 Apr 2026US 12,612,570 B2General Aviation Modifications, Inc.
- Method for determining authenticity and adulteration of marked petroleum hydrocarbons30 Dec 2025US 12,510,529 B2Sicpa Holding SA
- Lubricating oil compositions25 Nov 2025US 12,480,067 B2Infineum International Limited
- Oxygenated aromatic amines and use as antioxidants27 May 2025US 12,312,291 B2Ecolab USA Inc.
- Process synthesizing sustainable aviation fuel compositions2 Apr 2026US 2026/0092023 A1Visolis, Inc.
- Process for synthesizing polymer compositions from starting materials comprising a double bond2 Apr 2026US 2026/0092130 A1Visolis, Inc.
- Compositions for fuel blending made by a sustainable process, and sustainable fuel compositions therefrom2 Apr 2026US 2026/0092228 A1Visolis, Inc.
- High energy density rocket fuel compositions26 Feb 2026US 2026/0055330 A1Visolis, Inc.
- Fuel reduction composition for diesel internal combustion engines5 Feb 2026US 2026/0035632 A1Donghagreen Co., Ltd.
Most cited
By later US patents
- Anilines as markers for mineral oils59US 5,627,077 ABASF SE · 1997
- Fuel compositions59US 5,697,988 AEthyl Corporation · 1997
- Amino phenols useful as additives for fuels and lubricants53US 4,320,021 AThe Lubrizol Corporation · 1982
- Dihydrocarbyl substituted phenylenediamine-derived phenolic products as antioxidants42US 5,207,939 AMobil Oil Corporation · 1993
- Unleaded aviation gasoline40US 5,470,358 AExxon Research & Engineering Co. · 1995