C07F 9/6571
Having phosphorus and oxygen atoms as the only ring hetero atoms
Official title: having phosphorus and oxygen atoms as the only ring hetero atoms
C07F9/6571 (Having phosphorus and oxygen atoms as the only ring hetero atoms) appears on 1,460 US grants and 1,105 published applications in this corpus.
Search patents in C07F- Granted patents
- 1,460
- Published applications
- 1,105
- Assignees
- 625
- Inventors
- 2,953
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 19 | 0 |
| 1978 | 31 | 0 |
| 1979 | 25 | 0 |
| 1980 | 26 | 0 |
| 1981 | 23 | 0 |
| 1982 | 17 | 0 |
| 1983 | 20 | 0 |
| 1984 | 18 | 0 |
| 1985 | 15 | 0 |
| 1986 | 10 | 0 |
| 1987 | 20 | 0 |
| 1988 | 17 | 0 |
| 1989 | 20 | 0 |
| 1990 | 18 | 0 |
| 1991 | 16 | 0 |
| 1992 | 23 | 0 |
| 1993 | 27 | 0 |
| 1994 | 39 | 0 |
| 1995 | 20 | 0 |
| 1996 | 35 | 0 |
| 1997 | 51 | 0 |
| 1998 | 61 | 0 |
| 1999 | 28 | 0 |
| 2000 | 18 | 0 |
| 2001 | 27 | 8 |
| 2002 | 30 | 24 |
| 2003 | 26 | 26 |
| 2004 | 17 | 44 |
| 2005 | 21 | 30 |
| 2006 | 21 | 42 |
| 2007 | 28 | 38 |
| 2008 | 27 | 30 |
| 2009 | 30 | 40 |
| 2010 | 33 | 51 |
| 2011 | 26 | 47 |
| 2012 | 40 | 47 |
| 2013 | 42 | 49 |
| 2014 | 44 | 62 |
| 2015 | 46 | 66 |
| 2016 | 46 | 45 |
| 2017 | 52 | 61 |
| 2018 | 45 | 47 |
| 2019 | 40 | 48 |
| 2020 | 36 | 56 |
| 2021 | 36 | 36 |
| 2022 | 31 | 53 |
| 2023 | 36 | 45 |
| 2024 | 20 | 43 |
| 2025 | 26 | 36 |
| 2026 | 20 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nucleating agent composition, olefin-based resin composition, molded article thereof, and method for producing olefin-based resin composition15 Sep 2026US 12,735,514 B2Adeka Corporation
- Compound18 Aug 2026US 12,709,627 B2Sumitomo Chemical Company, Limited
- Cyclopentenyl purine derivative or salt thereof18 Aug 2026US 12,709,629 B2FUJIFILM Corporation
- Bidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions4 Aug 2026US 12,698,299 B2INV Nylon Chemicals Americas, LLC
- Electrochemical apparatus and electronic apparatus4 Aug 2026US 12,700,581 B2Ningde Amperex Technology Limited
- Electrolyte additive, electrolyte for batteries including electrolyte additive, and secondary battery including electrolyte17 Sep 2026US 2026/0279905 A1Soulbrain Co., Ltd.
- Polycyclic aromatic compound10 Sep 2026US 2026/0265281 A1Kwansei Gakuin Educational Foundation
- Substituted 2,3-dihydrobenzo[d][1,3]oxaphosphole ligand, preparation method and use thereof10 Sep 2026US 2026/0265282 A1Shenzhen Catalys Technology Co., Ltd
- Selective detection of bed bugs20 Aug 2026US 2026/0240137 A1Ecolab USA Inc.
- Prodrugs of stat3 inhibitors20 Aug 2026US 2026/0242402 A1Tvardi Operating Company, Inc.
Most cited
By later US patents
- Prodrugs phosphorus-containing compounds200US 6,312,662 B1Metabasis Therapeutics, Inc. · 2001
- 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
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Dioxaphosphorinanes, their preparation and use for resolving optically active compounds126US 4,814,477 AOce-Nederland B. V. · 1989