C07F 9/6574
Esters of oxyacids of phosphorus
Official title: Esters of oxyacids of phosphorus {(C07F9/657163 takes precedence)}
C07F9/6574 (Esters of oxyacids of phosphorus) appears on 840 US grants and 629 published applications in this corpus.
Search patents in C07F- Granted patents
- 840
- Published applications
- 629
- Assignees
- 398
- Inventors
- 1,716
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 13 | 0 |
| 1980 | 15 | 0 |
| 1981 | 13 | 0 |
| 1982 | 10 | 0 |
| 1983 | 11 | 0 |
| 1984 | 13 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 11 | 0 |
| 1988 | 9 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 18 | 0 |
| 1993 | 18 | 0 |
| 1994 | 25 | 0 |
| 1995 | 15 | 0 |
| 1996 | 25 | 0 |
| 1997 | 35 | 0 |
| 1998 | 44 | 0 |
| 1999 | 15 | 0 |
| 2000 | 15 | 0 |
| 2001 | 15 | 5 |
| 2002 | 15 | 14 |
| 2003 | 11 | 12 |
| 2004 | 9 | 24 |
| 2005 | 10 | 11 |
| 2006 | 9 | 26 |
| 2007 | 14 | 18 |
| 2008 | 16 | 12 |
| 2009 | 17 | 17 |
| 2010 | 19 | 21 |
| 2011 | 12 | 18 |
| 2012 | 16 | 19 |
| 2013 | 16 | 27 |
| 2014 | 20 | 42 |
| 2015 | 24 | 38 |
| 2016 | 29 | 30 |
| 2017 | 36 | 44 |
| 2018 | 33 | 25 |
| 2019 | 24 | 27 |
| 2020 | 19 | 35 |
| 2021 | 19 | 20 |
| 2022 | 19 | 47 |
| 2023 | 25 | 23 |
| 2024 | 12 | 29 |
| 2025 | 17 | 27 |
| 2026 | 11 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07F 9/65746The molecule containing more than one cyclic phosphorus atom318
- C07F 9/65742Non-condensed with carbocyclic rings or heterocyclic rings or ring systems314
- C07F 9/65744Condensed with carbocyclic or heterocyclic rings or ring systems284
- C07F 9/65748The cyclic phosphorus atom belonging to more than one ring system43
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.
- Prodrugs of stat3 inhibitors20 Aug 2026US 2026/0242402 A1Tvardi Operating Company, Inc.
- Curable phosphorus-containing compounds and preparation method therefor13 Aug 2026US 2026/0234176 A1UFC Corporation
- Phosphate Prodrugs of Cannabinoids6 Aug 2026US 2026/0224596 A1Emory University
- Helper lipids for nucleic acid delivery6 Aug 2026US 2026/0224688 A1Sanofi Pasteur Limited
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
- Dioxaphosphorinanes, their preparation and use for resolving optically active compounds126US 4,814,477 AOce-Nederland B. V. · 1989
- Hydroformylation process97US 5,288,918 AUnion Carbide Chemicals & Plastics Technology Corporation · 1994