C07F 9/657109
Esters of oxyacids of phosphorus in which one or more exocyclic oxygen
Official title: {esters of oxyacids of phosphorus in which one or more exocyclic oxygen atoms have been replaced by (a) sulfur atom(s)}
C07F9/657109 (Esters of oxyacids of phosphorus in which one or more exocyclic oxygen) appears on 76 US grants and 51 published applications in this corpus.
Search patents in C07F- Granted patents
- 76
- Published applications
- 51
- Assignees
- 60
- Inventors
- 201
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 4 |
| 2008 | 0 | 4 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 3 | 3 |
| 2012 | 2 | 0 |
| 2013 | 3 | 1 |
| 2014 | 2 | 3 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 4 |
| 2022 | 2 | 4 |
| 2023 | 3 | 9 |
| 2024 | 4 | 5 |
| 2025 | 2 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07F 9/657118Non-condensed with carbocyclic rings or heterocyclic rings or ring systems38
- C07F 9/657127Condensed with carbocyclic or heterocyclic rings or ring systems22
- C07F 9/657136The molecule containing more than one cyclic phosphorus atom22
- C07F 9/657145The cyclic phosphorus atom belonging to more than one ring system4
Recent patents
- Access to chiral bisphenol (BPOL) ligands through desymmetrizing asymmetric ortho-selective mono-halogenation26 May 2026US 12,637,403 B2The Chinese University of Hong Kong
- Phosphoryl-choline-group-containing vinyl monomer5 Aug 2025US 12,378,333 B2Nof Corporation
- Selective detection of bed bugs15 Jul 2025US 12,356,976 B2Ecolab USA Inc.
- Modified ionic liquids containing bicyclophosphate moiety26 Nov 2024US 12,155,038 B2Sionic Energy, Inc.
- Compound, and lithium secondary battery electrolyte and lithium secondary battery which comprise same24 Sep 2024US 12,100,808 B2Dongwoo Fine-Chem Co., Ltd.
- Selective detection of bed bugs20 Aug 2026US 2026/0240137 A1Ecolab USA Inc.
- Polymer and preparation method therefor, gel polymer electrolyte, battery, and electrical device12 Feb 2026US 2026/0042882 A1Contemporary Amperex Technology Co., Limited
- Method for preparing cyclic phosphate compound and derivative thereof22 Jan 2026US 2026/0022137 A1Peking University
- Functionalization of soluble polydienes and polyisoprenes using dithiophosphoric acids6 Nov 2025US 2025/0340677 A1Arizona Board of Regents on Behalf of the University of Arizona
- Selective detection of bed bugs18 Jul 2024US 2024/0239822 A1Ecolab USA Inc.
Most cited
By later US patents
- Prodrugs for liver specific drug delivery51US 6,752,981 B1Metabasis Therapeutics, Inc. · 2004
- Alkylated 1,1'-biphenyl-2,2'-diyl phosphites and stabilized compositions41US 4,196,117 ACiba-Geigy Corporation · 1980
- Cyclic phosphate additives and their use in oleaginous compositions21US 4,776,969 AExxon Chemical Patents Inc. · 1988
- Dioxaphosphorinane compounds and polyolefin compositions sabilized therewith20US 4,882,374 AEastman Kodak Company · 1989
- Catalyst composition for hydroformylation and method for producing aldehyde using the same18US 8,426,651 B2LG Chem.Ltd. · 2013