C07F 9/65844
The phosphorus atom being part of a five-membered ring which may be
Official title: {the phosphorus atom being part of a five-membered ring which may be condensed with another ring system}
C07F9/65844 (The phosphorus atom being part of a five-membered ring which may be) appears on 82 US grants and 70 published applications in this corpus.
Search patents in C07F- Granted patents
- 82
- Published applications
- 70
- Assignees
- 54
- Inventors
- 202
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
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| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
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| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 3 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 3 |
| 2015 | 5 | 3 |
| 2016 | 1 | 3 |
| 2017 | 3 | 5 |
| 2018 | 2 | 5 |
| 2019 | 6 | 10 |
| 2020 | 4 | 6 |
| 2021 | 6 | 4 |
| 2022 | 6 | 4 |
| 2023 | 3 | 6 |
| 2024 | 4 | 5 |
| 2025 | 3 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Three-dimensional organic sandwich chirality and its synthetic assembly23 Dec 2025US 12,503,481 B2Texas Tech University System
- Compositions and methods for phosphoramidite and oligonucleotide synthesis18 Nov 2025US 12,473,321 B2Wave Life Sciences Ltd.
- Methods of preparing glufosinate18 Mar 2025US 12,252,501 B2Ningxia Yongnong Biosciences Co., Ltd.
- Cyclic thiol prodrugs19 Mar 2024US 11,932,665 B2Lilac Therapeutics, Inc.
- Phosphoramidate derivatives of 5-fluoro-2′—deoxyuridine for use in the treatment of cancer12 Mar 2024US 11,925,658 B2NuCana plc
- Compositions and methods for phosphoramidite and oligonucleotide synthesis9 Jul 2026US 2026/0193286 A1Wave Life Sciences Ltd.
- Polymer and preparation method therefor, gel polymer electrolyte, battery, and electrical device12 Feb 2026US 2026/0042882 A1Contemporary Amperex Technology Co., Limited
- Methods of preparing glufosinate22 May 2025US 2025/0163083 A1
- Stereoselective technologies for chiral compounds15 May 2025US 2025/0154190 A1Wave Life Sciences Ltd.
- Compositions and methods for phosphoramidite and oligonucleotide synthesis7 Nov 2024US 2024/0368207 A1Wave Life Sciences Ltd.
Most cited
By later US patents
- Substituted oxazolidinones57US 5,792,765 ABayer Aktiengesellschaft · 1998
- Protective group for synthesis of RNA and derivative43US 8,470,987 B2Chiralgen, Ltd. · 2013
- Phosphoramidate derivatives of 5-fluoro-2′-deoxyuridine for use in the treatment of cancer24US 8,933,053 B2NuCana BioMed Limited · 2015
- Composition for plant growth regulation19US 4,361,436 AGAF Corporation · 1982
- Phosphoramidate derivatives of 5-fluoro-2′-deoxyuridine for use in the treatment of cancer18US 9,221,866 B2NuCana BioMed Limited · 2015