C10L 1/1881
Carboxylic group attached to an aliphatic carbon atom
Official title: {carboxylic group attached to an aliphatic carbon atom}
C10L1/1881 (Carboxylic group attached to an aliphatic carbon atom) appears on 498 US grants and 471 published applications in this corpus.
Search patents in C10L- Granted patents
- 498
- Published applications
- 471
- Assignees
- 244
- Inventors
- 1,060
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 11 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 13 | 0 |
| 1993 | 4 | 0 |
| 1994 | 11 | 0 |
| 1995 | 4 | 0 |
| 1996 | 18 | 0 |
| 1997 | 13 | 0 |
| 1998 | 26 | 0 |
| 1999 | 25 | 0 |
| 2000 | 22 | 0 |
| 2001 | 18 | 3 |
| 2002 | 7 | 6 |
| 2003 | 12 | 22 |
| 2004 | 6 | 37 |
| 2005 | 7 | 29 |
| 2006 | 3 | 26 |
| 2007 | 11 | 22 |
| 2008 | 11 | 26 |
| 2009 | 12 | 22 |
| 2010 | 9 | 20 |
| 2011 | 13 | 25 |
| 2012 | 7 | 31 |
| 2013 | 10 | 20 |
| 2014 | 30 | 21 |
| 2015 | 8 | 19 |
| 2016 | 21 | 14 |
| 2017 | 7 | 20 |
| 2018 | 13 | 16 |
| 2019 | 14 | 18 |
| 2020 | 15 | 14 |
| 2021 | 15 | 8 |
| 2022 | 4 | 12 |
| 2023 | 6 | 9 |
| 2024 | 11 | 18 |
| 2025 | 10 | 7 |
| 2026 | 6 | 6 |
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
- Compositions for mitigating low speed pre-ignition events28 Jul 2026US 12,692,450 B2Chevron Oronite Company LLC
- Biofuel derived from glycerol esters and method for obtaining same2 Jun 2026US 12,644,065 B2
- Diesel fuel and fuel additive with a combustion catalyst28 Apr 2026US 12,612,571 B2CDTI Advanced Material, Inc.
- Process for reduction of asphaltenes from marine fuels17 Mar 2026US 12,577,489 B2BASF SE
- Diesel fuel composition and method for reducing diesel fuel filter blocking tendency from biodiesel contaminants3 Sep 2026US 2026/0258313 A1Bl Technologies, Inc.
- Fuel borne catalyst composition for oxidative soot removal16 Jul 2026US 2026/0201263 A1Umicore Specialty Materials Brugge
- Composite metal oxide fuel additives9 Jul 2026US 2026/0193555 A1Nuel Advanced Technologies Ltd.
- Method of feeding a substance with properties of reducing hydraulic resistance into a flow of hydrocarbons and method of transporting hydrocarbons28 May 2026US 2026/0146210 A1Iris Tech, Inc.
- Emulsion5 Mar 2026US 2026/0062633 A1Quadrise International Limited
Most cited
By later US patents
- Methods for reducing harmful emissions from a diesel engine61US 6,003,303 AClean Diesel Technologies, Inc. · 1999
- Fuel compositions59US 5,697,988 AEthyl Corporation · 1997
- 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
- Reduction of nitrogen oxides emissions from vehicular diesel engines56US 5,584,894 APlatinum Plus, Inc. · 1996
- Enhanced lubricity diesel fuel emulsions for reduction of nitrogen oxides55US 5,743,922 ANalco Fuel Tech · 1998