C07D 251/06
With hetero atoms directly attached to ring nitrogen atoms
Official title: with hetero atoms directly attached to ring nitrogen atoms
C07D251/06 (With hetero atoms directly attached to ring nitrogen atoms) appears on 17 US grants and 9 published applications in this corpus.
Search patents in C07D- Granted patents
- 17
- Published applications
- 9
- Assignees
- 12
- Inventors
- 62
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 5 |
| 2025 | 0 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing hexahydro 1,3,5-trinitro-1,3,5-triazine and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine5 May 2026US 12,617,761 B2
- Process for producing hexahydro 1,3,5-trinitro-1,3,5-triazine and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine7 Apr 2026US 12,595,238 B2
- Isocyanurate compound for forming organic anti-reflective layer and composition including same23 Jun 2015US 9,063,424 B2Dongjin Semichem Co., Ltd.
- Recovery of TNT and RDX from bulk composition B explosives9 Sep 2008US 7,423,187 B1Gradient Technology
- Recovering nitramines and reformulation of by-products25 Nov 2003US 6,653,506 B1TPL, Inc.
- Synthesizing an organic high explosive in a flow reactor10 Jul 2025US 2025/0223243 A1BAE SYSTEMS plc
- Process to produce hexahydro-1,3,5-trinitro-1,3,5-triazine and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine with direct recycle of spent acid1 May 2025US 2025/0136560 A1
- Process for producing hexahydro 1,3,5-trinitro-1,3,5-triazine and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine12 Sep 2024US 2024/0300906 A1
- Novel compound for light emitting device and organic light emitting device including same15 Aug 2024US 2024/0271038 A1Dongjin Semichem Co., Ltd.
- Process for producing hexahydro 1,3,5-trinitro-1,3,5-triazine and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine11 Jul 2024US 2024/0228445 A9
Most cited
By later US patents
- Process for preparation of RDX13US 5,250,687 AThe United States of America as represented by the Secretary of the Army · 1993
- Alcohol composition stabilized against corrosion by the use of an amino tetrazole8US 4,445,907 ATexaco Inc. · 1984
- Recovering nitroamines and reformulation of by-products5US 6,063,960 ATPL, Inc. · 2000
- Process of reducing shock sensitivity of explosive nitramine compounds by crystal modification4US 5,099,008 AThe United States of America as represented by the Secretary of the Army · 1992
- Recycle of spent acid in nitrolysis of hexamine to RDX3US 4,163,845 AThe United States of America as represented by the Secretary of the Army · 1979