C10L 1/1905
Of di- or polycarboxylic acids
Official title: {of di- or polycarboxylic acids}
C10L1/1905 (Of di- or polycarboxylic acids) appears on 210 US grants and 151 published applications in this corpus.
Search patents in C10L- Granted patents
- 210
- Published applications
- 151
- Assignees
- 89
- Inventors
- 464
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 18 | 0 |
| 1999 | 24 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 0 |
| 2002 | 2 | 1 |
| 2003 | 4 | 5 |
| 2004 | 0 | 10 |
| 2005 | 1 | 6 |
| 2006 | 3 | 13 |
| 2007 | 2 | 8 |
| 2008 | 1 | 7 |
| 2009 | 2 | 8 |
| 2010 | 5 | 7 |
| 2011 | 3 | 3 |
| 2012 | 3 | 14 |
| 2013 | 4 | 7 |
| 2014 | 8 | 4 |
| 2015 | 5 | 4 |
| 2016 | 4 | 5 |
| 2017 | 2 | 5 |
| 2018 | 5 | 5 |
| 2019 | 4 | 5 |
| 2020 | 3 | 9 |
| 2021 | 9 | 3 |
| 2022 | 2 | 9 |
| 2023 | 4 | 2 |
| 2024 | 2 | 6 |
| 2025 | 6 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gasoline additive composition for improved engine performance12 May 2026US 12,624,303 B2Afton Chemical Corporation
- Fuel compositions6 Jan 2026US 12,516,260 B2Shell USA, Inc.
- Macromolecular corrosion (MCIN) inhibitors: structures, methods of making and using the same9 Dec 2025US 12,492,352 B2Polnox Corporation
- Compositions and methods and uses relating thereto25 Nov 2025US 12,480,062 B2Innospec Limited
- Lubricating oil compositions25 Nov 2025US 12,480,067 B2Infineum International Limited
- Bio-based additives for diesel7 May 2026US 2026/0125609 A1
- Macromolecular corrosion (mcin) inhibitors: structures, methods of making and using the same16 Apr 2026US 2026/0103652 A1Polnox Corporation
- Use and method for reducing deposits in a diesel engine19 Feb 2026US 2026/0049257 A1Innospec Manufacturing Park
- Compositions for Engine Carbon Removal from Lubricated Components13 Feb 2025US 2025/0051681 A1ATS Chemical, LLC
- Gasoline additive composition for improved engine performance30 Jan 2025US 2025/0034471 A1Afton Chemical Corporation
Most cited
By later US patents
- Detergents for hydrocarbon fuels68US 5,876,468 ALubrizol Adibis Holdings (UK) Limited · 1999
- Fuel compositions59US 5,697,988 AEthyl Corporation · 1997
- Motor fuel for internal combustion engines58US 5,004,478 ABASF SE · 1991
- Diesel fuel and dispersant compositions and methods for making and using same54US 5,752,989 AEthyl Corporation · 1998
- Additives and fuel oil compositions41US 5,882,364 AExxon Chemical Patents Inc. · 1999