C07F 9/6581
Having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms
Official title: having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms
C07F9/6581 (Having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms) appears on 621 US grants and 536 published applications in this corpus.
Search patents in C07F- Granted patents
- 621
- Published applications
- 536
- Assignees
- 434
- Inventors
- 1,767
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 14 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 13 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 14 | 0 |
| 1990 | 6 | 0 |
| 1991 | 16 | 0 |
| 1992 | 12 | 0 |
| 1993 | 13 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 1 |
| 2002 | 10 | 13 |
| 2003 | 13 | 12 |
| 2004 | 7 | 12 |
| 2005 | 8 | 18 |
| 2006 | 4 | 10 |
| 2007 | 10 | 13 |
| 2008 | 10 | 14 |
| 2009 | 12 | 15 |
| 2010 | 12 | 13 |
| 2011 | 11 | 15 |
| 2012 | 2 | 17 |
| 2013 | 12 | 22 |
| 2014 | 16 | 20 |
| 2015 | 20 | 21 |
| 2016 | 13 | 31 |
| 2017 | 16 | 26 |
| 2018 | 25 | 27 |
| 2019 | 27 | 40 |
| 2020 | 24 | 33 |
| 2021 | 28 | 20 |
| 2022 | 24 | 24 |
| 2023 | 16 | 42 |
| 2024 | 17 | 34 |
| 2025 | 20 | 20 |
| 2026 | 11 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07F 9/6584Having one phosphorus atom as ring hetero atom422
- C07F 9/65812Cyclic phosphazenes [p=n-]n, n>=3149
- C07F 9/6587Having two phosphorus atoms as ring hetero atoms in the same ring52
- C07F 9/659Having three phosphorus atoms as ring hetero atoms in the same ring14
- C07F 9/65811Having four or more phosphorus atoms as ring hetero atoms1
Recent patents
- Polyphosphazene and moulding compound comprising the polyphosphazene16 Jun 2026US 12,655,165 B2Covestro Deutschland AG
- Cyclic compounds for organic electroluminescent devices9 Jun 2026US 12,652,954 B2Universal Display Corporation
- Near-infrared (NIR) absorbing photosensitizers2 Jun 2026US 12,642,854 B2Koc Universitesi
- Tricyclic inhibitors of poly(ADP-ribose)polymerase28 Apr 2026US 12,612,425 B2Rakovina Therapeutics Inc.
- Polycyclic aromatic derivative compound and organic light-emitting device using same3 Mar 2026US 12,565,509 B2Sfc Co., Ltd.
- Compound for use as anti-aging agent in rubber blends, and vehicle tire8 Oct 2026US 2026/0308187 A1Continental Reifen Deutschland GmbH
- Cyclic compounds for organic electroluminescent devices24 Sep 2026US 2026/0293520 A1UDC Ireland Limited
- Bulky and small-steric-hindrance ligand and use thereof17 Sep 2026US 2026/0273518 A1Dg Hc Optical Co., Ltd
- Nitrogenous heterocycles for organic electroluminescent devices17 Sep 2026US 2026/0282745 A1UDC Ireland Limited
- Compounds and methods for modulating splicing20 Aug 2026US 2026/0242379 A1Remix Therapeutics Inc.
Most cited
By later US patents
- Amino-derivatized phosphite and phosphate linking agents, phosphoramidite precursors, and useful conjugates thereof308US 4,757,141 AApplied Biosystems, LLC · 1988
- Prodrugs of phosphonates192US 5,663,159 AInstitute of Organic Chemistry and Biochemistry of the Academy of Sciences of the Czech Republic · 1997
- Prodrugs of phosphonates149US 5,792,756 AInstitute of Organic Chemistry and Biochemistry of the Academy of Sciences of the Czech Republic · 1998
- Heteroaromatic compounds containing a phosphonate group that are inhibitors of fructose-1,6-bisphosphatase117US 6,489,476 B1Metabasis Therapeutics, Inc. · 2002
- .alpha.-phosphonosulfonate squalene synthetase inhibitors77US 5,712,396 A1998