C07C 245/16
Diazomethane
C07C245/16 (Diazomethane) appears on 12 US grants and 8 published applications in this corpus.
Search patents in C07C- Granted patents
- 12
- Published applications
- 8
- Assignees
- 12
- Inventors
- 38
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Preparation process of diazomethane10 Sep 2024US 12,084,402 B2Asymchem Laboratories (Tianjin) Co., Ltd.
- Method and device for continuously synthesizing cyclopropane compounds28 May 2024US 11,993,552 B2Asymchem Laboratories (Tianjin) Co., Ltd.
- Process for the preparation of cyclopropane compounds using diazo-compounds10 Oct 2023US 11,780,803 B2Givaudan SA
- Method for the preparation of diazoalkanes14 Mar 2017US 9,593,073 B2Bakhu Limited
- Continuous production and reaction of a diazo compound2 Feb 2016US 9,249,088 B2DPx Holdings B.V.
- Automated diazomethane generator, reactor and solid phase quencher27 Jul 2023US 2023/0234918 A1Council of Scientific and Industrial Research
- Method and Device for Continuously Synthesizing Cyclopropane Compounds4 Aug 2022US 2022/0242805 A1Asymchem Laboratories (Tianjin) Co., Ltd.
- Preparation process of diazomethane4 Aug 2022US 2022/0242818 A1Asymchem Laboratories (Tianjin) Co., Ltd.
- Process for the preparation of cyclopropane compounds using diazo-compounds19 Aug 2021US 2021/0253514 A1Givaudan SA
- Method for the preparation of diazoalkanes5 Feb 2015US 2015/0038687 A1Bakhu Limited
Most cited
By later US patents
- Continuous process for diazomethane from an n-methyl-n-nitrosoamine and from methylurea through n-methyl-n-nitrosourea16US 5,854,405 AAerojet-General Corporation · 1998
- Apparatus and processes for the large scale generation and transfer of diazomethane15US 5,459,243 AIsis Pharmaceuticals, Inc. · 1995
- Derivatives of polyene macrolide antibiotics12US 3,945,993 ARutgers Research and Educational Foundation · 1976
- Derivatives of polyene macrolide antibiotics11US 4,035,568 ARutgers Research and Educational Foundation · 1977
- Large scale batch process for diazomethane9US 5,817,778 AAerojet-General Corporation · 1998