C10L 1/2222
Aliphatic amines
Official title: {(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates (C10L1/221 takes precedence)}
C10L1/2222 (Aliphatic amines) appears on 797 US grants and 576 published applications in this corpus.
Search patents in C10L- Granted patents
- 797
- Published applications
- 576
- Assignees
- 230
- Inventors
- 1,274
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 11 | 0 |
| 1978 | 11 | 0 |
| 1979 | 10 | 0 |
| 1980 | 12 | 0 |
| 1981 | 15 | 0 |
| 1982 | 11 | 0 |
| 1983 | 15 | 0 |
| 1984 | 18 | 0 |
| 1985 | 12 | 0 |
| 1986 | 23 | 0 |
| 1987 | 16 | 0 |
| 1988 | 11 | 0 |
| 1989 | 18 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 18 | 0 |
| 1993 | 18 | 0 |
| 1994 | 21 | 0 |
| 1995 | 12 | 0 |
| 1996 | 24 | 0 |
| 1997 | 23 | 0 |
| 1998 | 26 | 0 |
| 1999 | 35 | 0 |
| 2000 | 25 | 0 |
| 2001 | 24 | 5 |
| 2002 | 7 | 11 |
| 2003 | 12 | 20 |
| 2004 | 8 | 38 |
| 2005 | 7 | 36 |
| 2006 | 3 | 26 |
| 2007 | 12 | 19 |
| 2008 | 16 | 24 |
| 2009 | 12 | 19 |
| 2010 | 8 | 34 |
| 2011 | 14 | 22 |
| 2012 | 12 | 16 |
| 2013 | 15 | 38 |
| 2014 | 20 | 26 |
| 2015 | 20 | 25 |
| 2016 | 26 | 21 |
| 2017 | 12 | 19 |
| 2018 | 22 | 18 |
| 2019 | 25 | 22 |
| 2020 | 22 | 23 |
| 2021 | 21 | 22 |
| 2022 | 14 | 22 |
| 2023 | 13 | 14 |
| 2024 | 20 | 28 |
| 2025 | 12 | 19 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compositions for mitigating low speed pre-ignition events28 Jul 2026US 12,692,450 B2Chevron Oronite Company LLC
- Use and method21 Jul 2026US 12,686,829 B2Innospec Limited
- Multi-functional fuel additive to provide friction reduction and corrosion protection14 Jul 2026US 12,680,041 B2Afton Chemical Corporation
- Method of reducing the impact of deposits in a post combustion system of a diesel engine23 Jun 2026US 12,662,640 B2Innospec Limited
- Fuel additive composition19 May 2026US 12,630,776 B2
- Use and method24 Sep 2026US 2026/0286241 A1Innospec Limited
- Fuel compositions comprising an additive, and methods and uses relating thereto17 Sep 2026US 2026/0275214 A1Innosec Limited
- Diesel fuel composition and method for reducing diesel fuel filter blocking tendency from biodiesel contaminants3 Sep 2026US 2026/0258313 A1Bl Technologies, Inc.
- Composition, method, and use for reducing emissions of a diesel engine20 Aug 2026US 2026/0242681 A1Innospec Limited
- Alkylating agents for quaternary ammonium compounds6 Aug 2026US 2026/0225992 A1Afton Chemical Corporation
Most cited
By later US patents
- Method of treating sour gas and liquid hydrocarbon160US 5,674,377 ANalco/Exxon Energy Chemicals, L. P. · 1997
- Combination of ethylene polymer, polymer having alkyl side chains, and nitrogen containing compound to improve cold flow properties of distillate fuel oils135US 4,211,534 AExxon Research & Engineering Co. · 1980
- Suppression of the evolution of hydrogen sulfide gases97US 5,074,991 APetrolite Corporation · 1991
- Diesel fuels having anti-wear properties69US 4,208,190 AEthyl Corporation · 1980
- Terpolymers based on .alpha.,.beta.-unsaturated dicarboxylic anhydrides, .alpha.,.beta.-unsaturated compounds and polyoxyalkylene ethers of lower unsaturated alcohols66US 5,391,632 AHoechst Aktiengesellschaft · 1995