C07F 9/65681
The ring phosphorus atom being part of a phosphinic acid or ester
Official title: {the ring phosphorus atom being part of a (thio)phosphinic acid or ester thereof}
C07F9/65681 (The ring phosphorus atom being part of a phosphinic acid or ester) appears on 24 US grants and 10 published applications in this corpus.
Search patents in C07F- Granted patents
- 24
- Published applications
- 10
- Assignees
- 17
- Inventors
- 47
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 3 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluorescent ion indicators and their applications29 Sep 2026US 12,748,118 B2AAT Bioquest, Inc.
- Inhibitors of flaviviridae viruses1 Jul 2014US 8,765,722 B2Gilead Sciences, Inc.
- Inhibitors of Flaviviridae viruses6 Aug 2013US 8,501,714 B2Gilead Sciences, Inc.
- Insecticides2 Oct 2012US 8,278,464 B2Syngenta Crop Protection AG
- Insecticides27 Dec 2011US 8,084,474 B2Syngenta Crop Protection AG
- Phosphorus-based flame retardant and thermoplastic resin composition including same15 May 2025US 2025/0154343 A1LG Chem.Ltd.
- Fluorescent ion indicators and their applications12 Dec 2024US 2024/0410907 A1AAT Bioquest, Inc.
- Phosphinate ester-containing dyes having tunable properties and methods of making the same18 Jul 2024US 2024/0239823 A1NUtech Ventures
- Phosphorus compounds and methods thereof14 Mar 2024US 2024/0083926 A1Agency for Science, Technology and Research
- Fluorescent compound and fluorescently labeled biological substance using the same2 Nov 2023US 2023/0348779 A1FUJIFILM Corporation
Most cited
By later US patents
- Production of 3,4-dihydroxy phospholane oxides8US 4,102,949 ABayer Aktiengesellschaft · 1978
- 1-hydroxydihydrophosphole oxides and 1-hydroxy-phospholane oxides, preparation thereof and use thereof as flame retardants7US 6,087,423 ATicona LLC · 2000
- Process for preparing aluminum salts of organic phosphoric acids7US 6,184,405 B2Ticona LLC · 2001
- Polymeric pyrrolidinium methanesulfonate viscosifiers for aqueous fluids5US 4,545,911 AMobil Oil Corporation · 1985
- Process for preparing polycarbodiimide foams in the presence of phosphetane oxide or sulfide adducts4US 3,931,059 ABayer Aktiengesellschaft · 1976