C07F 9/657172
The ring phosphorus atom and one oxygen atom being part of a
Official title: {the ring phosphorus atom and one oxygen atom being part of a (thio)phosphinic acid ester: [IMAGE cpc-sch-C07F-1008.gif] (X = O, S)}
C07F9/657172 (The ring phosphorus atom and one oxygen atom being part of a) appears on 148 US grants and 162 published applications in this corpus.
Search patents in C07F- Granted patents
- 148
- Published applications
- 162
- Assignees
- 103
- Inventors
- 362
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 3 |
| 2003 | 5 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 4 |
| 2006 | 1 | 2 |
| 2007 | 2 | 2 |
| 2008 | 3 | 7 |
| 2009 | 1 | 8 |
| 2010 | 3 | 8 |
| 2011 | 6 | 11 |
| 2012 | 11 | 15 |
| 2013 | 16 | 16 |
| 2014 | 10 | 8 |
| 2015 | 7 | 12 |
| 2016 | 8 | 7 |
| 2017 | 11 | 8 |
| 2018 | 1 | 4 |
| 2019 | 3 | 4 |
| 2020 | 9 | 10 |
| 2021 | 2 | 2 |
| 2022 | 2 | 3 |
| 2023 | 4 | 7 |
| 2024 | 0 | 4 |
| 2025 | 2 | 3 |
| 2026 | 1 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer composition comprising phosphonate flame retardant17 Feb 2026US 12,552,915 B2Chemische Fabrik Budenheim KG
- Red-shifted fluorophores1 Jul 2025US 12,344,594 B2Howard Hughes Medical Institute
- Near-IR glucose sensors29 Apr 2025US 12,285,250 B2Profusa, Inc.
- Flame retardant compound, method of making the same, resin composition and article made therefrom3 Oct 2023US 11,773,115 B2Elite Electronic Material (Zhongshan) Co., Ltd.
- Prodrugs of a CDK inhibitor for treating cancers15 Aug 2023US 11,725,020 B2Risen (Suzhou) Pharma Tech Co., Ltd.
- Phosphorus-containing (meth)acryloyl compound, phosphorus-containing vinyl benzyl compound, production methods therefor, and flame-retardant resin composition and laminated board for electronic circuit board containing same13 Aug 2026US 2026/0234170 A1Nippon Steel Chemical & Material Co., Ltd.
- Curable phosphorus-containing compounds and preparation method therefor13 Aug 2026US 2026/0234176 A1UFC Corporation
- Phosphorus-containing (meth)acryloyl compound, phosphorus-containing vinyl benzyl compound, production methods therefor, flame-retardant resin composition and laminated board for electronic circuit board containing same6 Aug 2026US 2026/0226082 A1Nippon Steel Chemical & Material Co., Ltd.
- Azetidine-substituted fluorescent compounds18 Jun 2026US 2026/0167612 A1
- Phosphorus-containing compound, method of preparing the same, resin composition and article made therefrom30 Apr 2026US 2026/0117046 A1Elite Electronic Material (Zhongshan) Co., Ltd.
Most cited
By later US patents
- Phosphinylalkanoyl prolines104US 4,168,267 AE. R. Squibb & Sons, Inc. · 1979
- Metabolically stable alkoxyalkyl esters of antiviral or antiproliferative phosphonates, nucleoside phosphonates and nucleoside phosphates69US 7,749,983 B2Chimerix, Inc. · 2010
- Flame retarding linear polyesters and shaped articles thereof54US 3,941,752 AHoechst Aktiengesellschaft · 1976
- Phosphorus-containing compounds32US 4,127,590 AToyo Boseki Kabushiki Kaisha · 1978
- Flame retardants28US 4,280,951 ASanko Kaihatsu Kagaku Kenkyusho · 1981