C10L 1/1886
Naphthenic acid
Official title: {naphthenic acid}
C10L1/1886 (Naphthenic acid) appears on 61 US grants and 62 published applications in this corpus.
Search patents in C10L- Granted patents
- 61
- Published applications
- 62
- Assignees
- 46
- Inventors
- 123
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 5 |
| 2004 | 0 | 7 |
| 2005 | 1 | 6 |
| 2006 | 1 | 4 |
| 2007 | 4 | 5 |
| 2008 | 1 | 3 |
| 2009 | 2 | 6 |
| 2010 | 0 | 5 |
| 2011 | 3 | 4 |
| 2012 | 2 | 1 |
| 2013 | 2 | 6 |
| 2014 | 4 | 2 |
| 2015 | 3 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ammonia-hydrocarbon fuel compositions, method of use, and systems thereof11 Aug 2026US 12,703,830 B2Mighty Pipeline, Inc.
- Fuel composition with lubricity modifier12 Nov 2024US 12,139,680 B2Kraton Corporation
- Wax inhibitors with improved flowability14 May 2024US 11,981,876 B2Clariant International Ltd.
- Nanocarbon particle based fuel additive6 Oct 2020US 10,793,795 B1Adámas Nanotechnologies, Inc.
- Quaternary ammonium compounds and their use as fuel or lubricant additives2 Oct 2018US 10,087,384 B2Innospec Limited
- Ammonia-hydrocarbon fuel compositions, method of use, and systems thereof20 Nov 2025US 2025/0354077 A1Mighty Pipeline, Inc.
- Fuel composition with lubricity modifier21 Mar 2024US 2024/0093111 A1Kraton Chemical, LLC
- Hydrogen sulphide and mercaptans scavenging compositions1 Jun 2023US 2023/0167374 A1Totalenergies Onetech
- Wax Inhibitors With Improved Flowability6 Oct 2022US 2022/0315850 A1Clariant International Ltd.
- Quaternary ammonium compounds and their use as fuel or lubricant additives3 Aug 2017US 2017/0218291 A1Innospec Limited
Most cited
By later US patents
- Methods for reducing harmful emissions from a diesel engine61US 6,003,303 AClean Diesel Technologies, Inc. · 1999
- 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
- Method for reducing emissions of NO.sub.x and particulates from a diesel engine55US 6,051,040 AClean Diesel Technologies, Inc. · 2000