C07D 251/04
Having no double bonds between ring members or between ring members and
Official title: having no double bonds between ring members or between ring members and non-ring members
C07D251/04 (Having no double bonds between ring members or between ring members and) appears on 93 US grants and 68 published applications in this corpus.
Search patents in C07D- Granted patents
- 93
- Published applications
- 68
- Assignees
- 67
- Inventors
- 210
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 2 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 3 |
| 2018 | 4 | 2 |
| 2019 | 1 | 3 |
| 2020 | 1 | 3 |
| 2021 | 4 | 10 |
| 2022 | 5 | 8 |
| 2023 | 5 | 3 |
| 2024 | 5 | 7 |
| 2025 | 2 | 7 |
| 2026 | 7 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modular lipid compounds and two- to three-component lipid nanoparticle compositions28 Jul 2026US 12,691,068 B2Sun Vax mRNA Therapeutics Inc.
- Ionizable lipid compounds and lipid nanoparticle compositions16 Jun 2026US 12,655,114 B2SunVax mRNA Therapeutics Inc.
- 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
- Products obtained by the conversion of glycolaldehyde derivatives and aminating agents and their conversion to ethyleneamines and ethanolamines24 Mar 2026US 12,583,827 B2BASF SE
- Ionizable Lipid Compounds and Lipid Nanoparticle Compositions3 Sep 2026US 2026/0258002 A1SunVax mRNA Therapeutics Inc.
- Polyvalent ammonium salt compound, composition for forming silicon-containing resist underlayer film, and patterning process18 Sep 2025US 2025/0289931 A1Shin-Etsu Chemical Co., Ltd.
- 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
- Peptide urea derivative, pharmaceutical composition containing peptide urea derivative, and application of peptide urea derivative3 Apr 2025US 2025/0108139 A1Bivision Pharmaceuticals, Inc.
Most cited
By later US patents
- Method of treating sour gas and liquid hydrocarbon135US 5,744,024 ANalco/Exxon Energy Chemicals, L. P. · 1998
- Mixtures of hexahydrotriazines useful as H.sub.2 S scavengers115US 5,347,004 ABaker Hughes Incorporated · 1994
- Process for scavenging H.sub.2 S by mixtures of hexahydrotriazines44US 5,554,349 ABanker Hughes Incorporated · 1996
- Azetidinone compounds and processes for preparation thereof36US 4,576,753 AFujisawa Pharmaceutical Co., Ltd. · 1986
- Fast, high capacity hydrogen sulfide scavengers26US 7,438,877 B2Baker Hughes Incorporated · 2008