C07F 9/657181
The ring phosphorus atom and, at least, one ring oxygen atom being
Official title: {the ring phosphorus atom and, at least, one ring oxygen atom being part of a (thio)phosphonic acid derivative}
C07F9/657181 (The ring phosphorus atom and, at least, one ring oxygen atom being) appears on 305 US grants and 191 published applications in this corpus.
Search patents in C07F- Granted patents
- 305
- Published applications
- 191
- Assignees
- 170
- Inventors
- 719
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 13 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 12 | 0 |
| 1995 | 3 | 0 |
| 1996 | 10 | 0 |
| 1997 | 13 | 0 |
| 1998 | 13 | 0 |
| 1999 | 8 | 0 |
| 2000 | 1 | 0 |
| 2001 | 8 | 1 |
| 2002 | 4 | 6 |
| 2003 | 8 | 7 |
| 2004 | 4 | 8 |
| 2005 | 4 | 10 |
| 2006 | 3 | 9 |
| 2007 | 5 | 7 |
| 2008 | 5 | 4 |
| 2009 | 8 | 9 |
| 2010 | 5 | 11 |
| 2011 | 3 | 13 |
| 2012 | 10 | 8 |
| 2013 | 6 | 7 |
| 2014 | 9 | 7 |
| 2015 | 7 | 10 |
| 2016 | 8 | 6 |
| 2017 | 7 | 11 |
| 2018 | 9 | 5 |
| 2019 | 7 | 14 |
| 2020 | 8 | 8 |
| 2021 | 12 | 7 |
| 2022 | 6 | 10 |
| 2023 | 6 | 6 |
| 2024 | 3 | 4 |
| 2025 | 3 | 1 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inhibitors of the enzyme enolase for precision oncology14 Jul 2026US 12,679,855 B2Board of Regents, The University of Texas System
- Benzyloxy phosph(on)ate compounds17 Feb 2026US 12,552,820 B2Ligand Pharmaceuticals Incorporated
- Polymer composition comprising phosphonate flame retardant17 Feb 2026US 12,552,915 B2Chemische Fabrik Budenheim KG
- Anti-viral and hepatic-targeted drugs3 Feb 2026US 12,539,332 B2Biopharma S.A.
- Nucleotide analogs13 Jan 2026US 12,521,397 B2The Regents of the University of California
- Anti-viral and hepatic-targeted drugs28 May 2026US 2026/0144879 A1Ai-Biopharma
- Polymer and preparation method therefor, gel polymer electrolyte, battery, and electrical device12 Feb 2026US 2026/0042882 A1Contemporary Amperex Technology Co., Limited
- Nonaqueous electrolyte solution, nonaqueous electrolyte solution battery, method for producing nonaqueous electrolyte solution battery, compound, and additive for nonaqueous electrolyte solution17 Apr 2025US 2025/0125418 A1Central Glass Company, Limited
- Prodrugs of Thyroid Hormone Analogs, Methods of Making and Methods of Using Thereof5 Sep 2024US 2024/0294561 A1Gannex, LLC
- Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Including the Same16 May 2024US 2024/0162490 A1LG Energy Solution, Ltd.
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
- Conformationally restricted aromatic inhibitors of microsomal triglyceride transfer protein and method125US 5,760,246 A1998
- Heteroaromatic compounds containing a phosphonate group that are inhibitors of fructose-1,6-bisphosphatase117US 6,489,476 B1Metabasis Therapeutics, Inc. · 2002