C10L 10/12
Use of additives to fuels or fires for particular purposes: for improving
Official title: for improving the cetane number
C10L10/12 (Use of additives to fuels or fires for particular purposes: for improving) appears on 153 US grants and 186 published applications in this corpus.
Search patents in C10L- Granted patents
- 153
- Published applications
- 186
- Assignees
- 100
- Inventors
- 408
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 3 |
| 2003 | 2 | 4 |
| 2004 | 2 | 7 |
| 2005 | 0 | 5 |
| 2006 | 3 | 6 |
| 2007 | 2 | 3 |
| 2008 | 1 | 7 |
| 2009 | 1 | 12 |
| 2010 | 4 | 11 |
| 2011 | 3 | 9 |
| 2012 | 3 | 12 |
| 2013 | 4 | 7 |
| 2014 | 9 | 11 |
| 2015 | 6 | 20 |
| 2016 | 12 | 6 |
| 2017 | 16 | 12 |
| 2018 | 8 | 6 |
| 2019 | 6 | 8 |
| 2020 | 9 | 12 |
| 2021 | 12 | 8 |
| 2022 | 13 | 5 |
| 2023 | 2 | 6 |
| 2024 | 5 | 4 |
| 2025 | 2 | 0 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nitrates of ethers of glycerol and ethanol as diesel cetane improvers and the production process of the same25 Aug 2026US 12,715,836 B2Petroleo Brasileiro S.A. - Petrobras
- Diesel fuel and fuel additive with a combustion catalyst28 Apr 2026US 12,612,571 B2CDTI Advanced Material, Inc.
- Method for reduction of abnormal combustion events13 Jan 2026US 12,522,779 B2Infineum International Limited
- Process for the production of an improved diesel fuel29 Jul 2025US 12,371,629 B2
- Formulation and cetane improvement based on organic nitrates for alcohol-based renewable diesel fuel18 Feb 2025US 12,227,711 B2
- Fuel for a compression engine20 Aug 2026US 2026/0243206 A1Eurenco France SAS
- Diesel fuel composition and a method for producing a diesel fuel composition3 Oct 2024US 2024/0327740 A1Neste Oyj
- Method for Reduction of Abnormal Combustion Events4 Jul 2024US 2024/0218284 A1Infineum International Limited
- Renewable diesel fuel formulation based on alcohols23 May 2024US 2024/0166963 A1
- Diesel fuel and fuel additive with a combustion catalyst23 May 2024US 2024/0166964 A1Cdti Advanced Materials, Inc.
Most cited
By later US patents
- Diesel fuel52US 5,308,365 AARCO Chemical Technology, L. P. · 1994
- Production of high-cetane diesel fuel from low-quality biomass-derived feedstocks46US 7,754,931 B2Her Majesty the Queen in right of Canada, as represented by the Minister of Natural Resources · 2010
- Emulsion diesel fuel composition with reduced emissions40US 5,669,938 AEthyl Corporation · 1997
- Alfalfa extract fuel additive for reducing pollutant emissions40US 6,193,766 B1Barto/Jordan Company, Inc. · 2001
- Diesel additive for improving cetane, lubricity, and stability37US 5,814,109 AExxon Research & Engineering Co. · 1998