C10L 1/2383
Polyamines or polyimines, or derivatives thereof amines and imines
Official title: Polyamines or polyimines, or derivatives thereof {(poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C) (C10L1/221 takes precedence)}
C10L1/2383 (Polyamines or polyimines, or derivatives thereof amines and imines) appears on 899 US grants and 553 published applications in this corpus.
Search patents in C10L- Granted patents
- 899
- Published applications
- 553
- Assignees
- 158
- Inventors
- 1,167
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 13 | 0 |
| 1978 | 11 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 17 | 0 |
| 1987 | 19 | 0 |
| 1988 | 9 | 0 |
| 1989 | 18 | 0 |
| 1990 | 20 | 0 |
| 1991 | 27 | 0 |
| 1992 | 27 | 0 |
| 1993 | 30 | 0 |
| 1994 | 36 | 0 |
| 1995 | 43 | 0 |
| 1996 | 44 | 0 |
| 1997 | 49 | 0 |
| 1998 | 62 | 0 |
| 1999 | 48 | 0 |
| 2000 | 30 | 0 |
| 2001 | 28 | 4 |
| 2002 | 19 | 10 |
| 2003 | 9 | 28 |
| 2004 | 10 | 29 |
| 2005 | 6 | 32 |
| 2006 | 4 | 22 |
| 2007 | 7 | 26 |
| 2008 | 9 | 32 |
| 2009 | 10 | 22 |
| 2010 | 11 | 39 |
| 2011 | 19 | 22 |
| 2012 | 10 | 24 |
| 2013 | 13 | 34 |
| 2014 | 25 | 30 |
| 2015 | 18 | 21 |
| 2016 | 22 | 24 |
| 2017 | 18 | 22 |
| 2018 | 19 | 16 |
| 2019 | 16 | 20 |
| 2020 | 15 | 20 |
| 2021 | 16 | 17 |
| 2022 | 13 | 15 |
| 2023 | 10 | 12 |
| 2024 | 15 | 16 |
| 2025 | 9 | 12 |
| 2026 | 5 | 4 |
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
- Gasoline additive composition for improved engine performance12 May 2026US 12,624,303 B2Afton Chemical Corporation
- Process for reduction of asphaltenes from marine fuels17 Mar 2026US 12,577,489 B2BASF SE
- Fuel composition comprising detergent and quaternary ammonium salt additive10 Mar 2026US 12,570,914 B2Innospec Limited
- Quaternary ammonium compounds17 Feb 2026US 12,553,003 B1Afton Chemical Corporation
- Composition, method, and use for reducing emissions of a diesel engine20 Aug 2026US 2026/0242681 A1Innospec Limited
- Processes for producing reaction products including quaternary ammonium salts13 Aug 2026US 2026/0234299 A1The Lubrizol Corporation
- Quaternary ammonium compounds6 Aug 2026US 2026/0226357 A1Afton Chemical Corporation
- Demulsifier for renewable diesel18 Jun 2026US 2026/0167882 A1Afton Chemical Corporation
- Use and method23 Oct 2025US 2025/0326978 A1Innospec Limited
Most cited
By later US patents
- Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation764US 4,234,435 AThe Lubrizol Corporation · 1980
- Modified succinimides173US 4,612,132 AChevron Research Company · 1986
- Polybutyl-and polyisobutylamines, their preparation, and fuel compositions containing these135US 4,832,702 ABASF SE · 1989
- Liquid hydrocarbon fuels containing high molecular weight Mannich bases131US 4,231,759 AStandard Oil Company (Indiana) · 1980
- Synergistic fuel compositions114US 4,877,416 AChevron Research Company · 1989