C07F 9/6568
Having phosphorus atoms as the only ring hetero atoms
Official title: having phosphorus atoms as the only ring hetero atoms
C07F9/6568 (Having phosphorus atoms as the only ring hetero atoms) appears on 397 US grants and 351 published applications in this corpus.
Search patents in C07F- Granted patents
- 397
- Published applications
- 351
- Assignees
- 216
- Inventors
- 987
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 12 | 0 |
| 2001 | 15 | 1 |
| 2002 | 12 | 9 |
| 2003 | 19 | 19 |
| 2004 | 13 | 28 |
| 2005 | 9 | 15 |
| 2006 | 18 | 10 |
| 2007 | 10 | 12 |
| 2008 | 8 | 12 |
| 2009 | 10 | 11 |
| 2010 | 12 | 14 |
| 2011 | 11 | 5 |
| 2012 | 3 | 16 |
| 2013 | 4 | 12 |
| 2014 | 10 | 12 |
| 2015 | 14 | 24 |
| 2016 | 15 | 11 |
| 2017 | 13 | 3 |
| 2018 | 10 | 25 |
| 2019 | 16 | 19 |
| 2020 | 17 | 18 |
| 2021 | 9 | 14 |
| 2022 | 12 | 10 |
| 2023 | 12 | 12 |
| 2024 | 8 | 16 |
| 2025 | 6 | 10 |
| 2026 | 7 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07F 9/65683The ring phosphorus atom being part of a phosphine211
- C07F 9/65685The ring phosphorus atom being part of a phosphine oxide or thioxide164
- C07F 9/65688The ring phosphorus atom being part of a phosphonium compound30
- C07F 9/65681The ring phosphorus atom being part of a phosphinic acid or ester24
- C07F 9/65686The ring phosphorus atom being part of an organo-phosphorane7
Recent patents
- Fluorescent ion indicators and their applications29 Sep 2026US 12,748,118 B2AAT Bioquest, Inc.
- Phosphorus compounds and methods thereof23 Jun 2026US 12,662,499 B2Agency for Science, Technology and Research
- Fused ring compound as Wee-1 inhibitor16 Jun 2026US 12,655,127 B2Wigen Biomedicine Technology (Shanghai) Co., Ltd.
- Inhibitors of RIPK2 and medical uses thereof12 May 2026US 12,624,018 B1Odyssey Therapeutics, Inc.
- Light-emitting device and electronic apparatus including the same10 Mar 2026US 12,575,320 B2Samsung Display Co., Ltd.
- Bulky and small-steric-hindrance ligand and use thereof17 Sep 2026US 2026/0273518 A1Dg Hc Optical Co., Ltd
- Polycyclic aromatic compound10 Sep 2026US 2026/0265281 A1Kwansei Gakuin Educational Foundation
- Electrochemistry of certain polycyclic aromatic heterocycles as applied to rechargeable cells20 Aug 2026US 2026/0242403 A1
- Catalysts for solvolysis of polyester6 Aug 2026US 2026/0225087 A1Agency for Science, Technology and Research
- Cdk inhibitors and methods of use thereof9 Jul 2026US 2026/0193248 A1Relay Therapeutics, Inc.
Most cited
By later US patents
- Metal-assisted delayed fluorescent emitters containing tridentate ligands83US 9,818,959 B2Arizona Board of Regents on behlaf of Arizona State University · 2017
- Polycyclic aromatic compound65US 10,374,166 B2Jnc Corporation · 2019
- Metallocenes and catalysts for olefin-polymerisation59US 6,451,724 B1Basell Technology Company BV · 2002
- Materials for organic electroluminescent devices54US 9,126,970 B2Merck Patent GmbH · 2015
- Polyisocyanates which contain carbodiimide groups and which are stable in storage53US 4,294,719 ABayer Aktiengesellschaft · 1981