C10L 1/2387
Polyoxyalkyleneamines oxyalkylene amines and derivatives thereof
Official title: Polyoxyalkyleneamines {(poly)oxyalkylene amines and derivatives thereof (substituted by a macromolecular group containing 30C) (C10L1/221 takes precedence)}
C10L1/2387 (Polyoxyalkyleneamines oxyalkylene amines and derivatives thereof) appears on 447 US grants and 233 published applications in this corpus.
Search patents in C10L- Granted patents
- 447
- Published applications
- 233
- Assignees
- 102
- Inventors
- 624
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 18 | 0 |
| 1992 | 12 | 0 |
| 1993 | 23 | 0 |
| 1994 | 25 | 0 |
| 1995 | 28 | 0 |
| 1996 | 35 | 0 |
| 1997 | 41 | 0 |
| 1998 | 25 | 0 |
| 1999 | 25 | 0 |
| 2000 | 13 | 0 |
| 2001 | 12 | 2 |
| 2002 | 7 | 6 |
| 2003 | 7 | 12 |
| 2004 | 5 | 12 |
| 2005 | 1 | 18 |
| 2006 | 2 | 11 |
| 2007 | 3 | 5 |
| 2008 | 2 | 7 |
| 2009 | 5 | 9 |
| 2010 | 7 | 15 |
| 2011 | 11 | 9 |
| 2012 | 4 | 9 |
| 2013 | 8 | 21 |
| 2014 | 8 | 17 |
| 2015 | 9 | 10 |
| 2016 | 12 | 8 |
| 2017 | 8 | 6 |
| 2018 | 11 | 9 |
| 2019 | 6 | 5 |
| 2020 | 6 | 11 |
| 2021 | 9 | 5 |
| 2022 | 6 | 9 |
| 2023 | 4 | 6 |
| 2024 | 6 | 4 |
| 2025 | 5 | 6 |
| 2026 | 2 | 1 |
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 composition comprising detergent and quaternary ammonium salt additive10 Mar 2026US 12,570,914 B2Innospec Limited
- Compositions and methods and uses relating thereto25 Nov 2025US 12,480,062 B2Innospec Limited
- Gasoline additive composition for improved engine performance28 Oct 2025US 12,454,653 B2Afton Chemical Corporation
- Compositions and methods and uses relating thereto20 May 2025US 12,305,134 B2Innospec Limited
- Composition, method, and use for reducing emissions of a diesel engine20 Aug 2026US 2026/0242681 A1Innospec Limited
- Multi-functional fuel additive to provide friction reduction and corrosion protection2 Oct 2025US 2025/0304871 A1Afton Chemical Corporation
- Gasoline additive composition for improved engine performance12 Jun 2025US 2025/0188377 A1Afton Chemical Corporation
- Wax treatment and method of use15 May 2025US 2025/0154424 A1Independence Oilfield Chemicals LLC
- Dialkyl phenol initiated polyetheramine and uses thereof30 Jan 2025US 2025/0034470 A1Huntsman Petrochemical Corporation
Most cited
By later US patents
- Polybutyl-and polyisobutylamines, their preparation, and fuel compositions containing these135US 4,832,702 ABASF SE · 1989
- Polymeric dispersants having alternating polyalkylene and succinic groups111US 5,112,507 AChevron Research and Technology Company · 1992
- Dispersant compositions108US 3,948,800 AThe Lubrizol Corporation · 1976
- Polymeric additives for fuels and lubricants97US 4,089,794 AExxon Research & Engineering Co. · 1978
- Dispersant and antioxidant additive and lubricating oil composition containing same97US 5,075,383 ATexaco Inc. · 1991