C10L 1/189
Having at least one carboxyl group bound to an aromatic carbon atom
Official title: having at least one carboxyl group bound to an aromatic carbon atom {(C10L1/1802, C10L1/1805, C10L1/1808, C10L1/1811, C10L1/1814, C10L1/1817, C10L1/1885, C10L1/1886, C10L1/1888 take precedence)}
C10L1/189 (Having at least one carboxyl group bound to an aromatic carbon atom) appears on 122 US grants and 106 published applications in this corpus.
Search patents in C10L- Granted patents
- 122
- Published applications
- 106
- Assignees
- 59
- Inventors
- 284
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 9 | 0 |
| 1997 | 2 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 4 |
| 2004 | 2 | 10 |
| 2005 | 0 | 6 |
| 2006 | 0 | 7 |
| 2007 | 3 | 7 |
| 2008 | 0 | 10 |
| 2009 | 4 | 3 |
| 2010 | 4 | 3 |
| 2011 | 5 | 10 |
| 2012 | 4 | 2 |
| 2013 | 3 | 9 |
| 2014 | 4 | 2 |
| 2015 | 1 | 4 |
| 2016 | 4 | 4 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 4 | 5 |
| 2020 | 3 | 6 |
| 2021 | 2 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 3 |
| 2024 | 3 | 2 |
| 2025 | 0 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-functional fuel additive to provide friction reduction and corrosion protection14 Jul 2026US 12,680,041 B2Afton Chemical Corporation
- Process for reduction of asphaltenes from marine fuels17 Mar 2026US 12,577,489 B2BASF SE
- Fuel composition comprising detergent and quaternary ammonium salt additive10 Mar 2026US 12,570,914 B2Innospec Limited
- Quaternary ammonium salt combinations for injector cleanliness23 Jul 2024US 12,043,808 B2Afton Chemical Corporation
- Marine fuels9 Jul 2024US 12,031,099 B2Infineum International Limited
- Use and method23 Oct 2025US 2025/0326978 A1Innospec Limited
- Multi-functional fuel additive to provide friction reduction and corrosion protection2 Oct 2025US 2025/0304871 A1Afton Chemical Corporation
- Process for reduction of asphaltenes from marine fuels24 Jul 2025US 2025/0236804 A1BASF SE
- Compositions of drag reducing polymers and use thereof1 May 2025US 2025/0136882 A1Liquidpower Specialty Products Inc.
- Asphaltene deposition control12 Sep 2024US 2024/0301274 A1Infineum International Limited
Most cited
By later US patents
- Operation of diesel engines with reduced particulate emission by utilization of platinum group metal fuel additive and pass-through catalytic oxidizer57US 5,501,714 APlatinum Plus, Inc. · 1996
- Method for reducing emissions of NO.sub.x and particulates from a diesel engine55US 6,051,040 AClean Diesel Technologies, Inc. · 2000
- Method for catalyzing fuel for powering internal combustion engines51US 5,034,020 APlatinum Plus, Inc. · 1991
- Additives and fuel oil compositions41US 5,882,364 AExxon Chemical Patents Inc. · 1999
- Fuel oil compositions with improved lubricity properties35US 5,833,722 AExxon Chemical Patents Inc. · 1998