C07C 2527/24
Nitrogen compounds
C07C2527/24 (Nitrogen compounds) appears on 138 US grants and 80 published applications in this corpus.
Search patents in C07C- Granted patents
- 138
- Published applications
- 80
- Assignees
- 96
- Inventors
- 343
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 5 |
| 2011 | 0 | 3 |
| 2012 | 0 | 4 |
| 2013 | 7 | 2 |
| 2014 | 4 | 3 |
| 2015 | 7 | 12 |
| 2016 | 3 | 5 |
| 2017 | 4 | 3 |
| 2018 | 5 | 7 |
| 2019 | 5 | 3 |
| 2020 | 6 | 6 |
| 2021 | 5 | 5 |
| 2022 | 3 | 4 |
| 2023 | 3 | 2 |
| 2024 | 2 | 5 |
| 2025 | 2 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Regeneration method and application of nitrogen-containing carbon catalyst14 Oct 2025US 12,440,829 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Gas-phase homogeneous oxidative dehydrogenation and coupling of organic molecules21 Jan 2025US 12,202,795 B2Trustees of Tufts College
- Oxides of sulfur and their use as oxygen transfer reagents2 Jul 2024US 12,023,655 B2EcoCatalytic Inc.
- Direct synthesis of cyclic carbonates using choline chloride as catalyst under mild conditions13 Feb 2024US 11,897,860 B2Baker Hughes Oilfield Operations LLC
- Catalytic partial oxidation of methane28 Nov 2023US 11,827,587 B2ExxonMobil Technology and Engineering Company
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from 1-chloro-3,3,3-trifluoropropene (hcfo-1233zd)1 Oct 2026US 2026/0296995 A1
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from 1,1,1-trichloropropane (hcc-260fb)1 Oct 2026US 2026/0296996 A1
- Method for producing glycolaldehyde dialkyl acetal10 Jul 2025US 2025/0223252 A1Toyota Jidosha Kabushiki Kaisha
- Method and catalyst for methane conversion to cyclohexane24 Apr 2025US 2025/0128242 A1The Royal Institution for the Advancement of Learning/Mcgill University
- Sacubitril intermediate, preparation method therefor, and use thereof13 Feb 2025US 2025/0051270 A1Shenzhen Catalys Technology Co., Ltd
Most cited
By later US patents
- Conversions of low molecular weight hydrocarbons to higher molecular weight hydrocarbons using a metal compound-containing catalyst (II-A)56US 4,704,493 AChevron Corporation · 1987
- Conversions of low molecular weight hydrocarbons to higher molecular weight hydrocarbons using a metal-containing catalyst51US 4,599,474 AChevron Research Company · 1986
- Conversions of low molecular weight hydrocarbons to higher molecular weight hydrocarbons using a metal compound-containing catalyst47US 4,709,108 AChevron Research Company · 1987
- Upgrading synthesis gas46US 4,478,955 AThe Standard Oil Company · 1984
- Catalysts for natural gas processes42US 9,751,079 B2Silura Technologies, Inc. · 2017