C10L 1/1895
Polycarboxylic acid
Official title: {polycarboxylic acid (C10L1/1802, C10L1/1805, C10L1/1808, C10L1/1811, C10L1/1814, C10L1/1817, C10L1/1885, C10L1/1886, C10L1/1888 take precedence)}
C10L1/1895 (Polycarboxylic acid) appears on 51 US grants and 21 published applications in this corpus.
Search patents in C10L- Granted patents
- 51
- Published applications
- 21
- Assignees
- 21
- Inventors
- 108
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 3 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 3 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-functional fuel additive to provide friction reduction and corrosion protection14 Jul 2026US 12,680,041 B2Afton Chemical Corporation
- Use of a wax anti-settling additive in automotive fuel compositions14 Jun 2022US 11,359,155 B2Shell USA, Inc.
- Ultra-low molecular weight imide containing quaternary ammonium salts having short hydrocarbon tails22 Feb 2022US 11,254,646 B2The Lubrizol Corporation
- Use of a hydrocarbyl-substituted dicarboxylic acid for improving or boosting the separation of water from fuel oils and gasoline fuels8 Dec 2020US 10,858,608 B2BASF SE
- Use of a hydrocarbyl-substituted dicarboxylic acid for improving or boosting the separation of water from fuel oils and gasoline fuels8 Jan 2019US 10,174,269 B2BASF SE
- Multi-functional fuel additive to provide friction reduction and corrosion protection2 Oct 2025US 2025/0304871 A1Afton Chemical Corporation
- Polyetheramine Salts and Their Use as Corrosion Inhibitors and Friction Reducers16 Nov 2023US 2023/0365880 A1Huntsman Petrochemical Corporation
- Ultra-low molecular weight imide containing quaternary ammonium salts having short hydrocarbon tails19 Nov 2020US 2020/0361891 A1The Lubrizol Corporation
- Use of a wax anti-settling additive in automotive fuel compositions15 Oct 2020US 2020/0325410 A1Shell Oil Company
- Use of a hydrocarbyl-substituted dicarboxylic acid for improving or boosting the separation of water from fuel oils and gasoline fuels7 Feb 2019US 2019/0040332 A1BASF SE
Most cited
By later US patents
- 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
- Hydrocarbonaceous fuel compositions and additives therefor29US 5,944,858 AEthyl Petroleum Additives, Inc. · 1999
- Automotive additive composition25US 7,553,801 B2Honeywell International Inc. · 2009
- Composition for improving cold flow properties of middle distillates19US 5,094,666 AExxon Research & Engineering Co. · 1992