C07F 9/65505
Phosphonic acids containing oxirane groups
Official title: {Phosphonic acids containing oxirane groups; esters thereof}
C07F9/65505 (Phosphonic acids containing oxirane groups) appears on 43 US grants and 31 published applications in this corpus.
Search patents in C07F- Granted patents
- 43
- Published applications
- 31
- Assignees
- 35
- Inventors
- 110
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 4 | 2 |
| 2012 | 2 | 1 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 3 | 5 |
| 2020 | 3 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Organic phosphorus compound, preparation method therefor, and uses thereof7 Apr 2026US 12,595,433 B2China Petroleum & Chemical Corporation
- Method for the detection and quantification of fosfomycin, impurities and degradation products thereof25 Nov 2025US 12,480,920 B2Meitheal Pharmaceuticals, Inc.
- Organophosphorus compound, and preparation process and use thereof22 Oct 2024US 12,122,974 B2China Petroleum & Chemical Corporation
- Arabitol and xylitol based flame retardants16 Nov 2021US 11,174,369 B2International Business Machines Corporation
- Limonene-based, non-halogenated flame retardants for polymeric applications6 Jul 2021US 11,053,264 B2International Business Machines Corporation
- Synthesis of Fosfomycin Disodium30 Jul 2026US 2026/0217747 A1Interquim S.A. De C.V.
- Organic phosphorus compound, preparation method therefor, and uses thereof30 Jan 2025US 2025/0034476 A1China Petroleum & Chemical Corporation
- Method for the detection and quantification of fosmomycin, impurities and degradation products thereof12 May 2022US 2022/0146470 A1Laboratorios Ern, S.A.
- Organophosphorus compound, and preparation process and use thereof23 Dec 2021US 2021/0395633 A1China Petroleum & Chemical Corporation
- Limonene-based, non-halogenated flame retardants for polymeric applications7 May 2020US 2020/0140468 A1International Business Machines Corporation
Most cited
By later US patents
- Phosphonic acid derivatives65US 5,719,303 AEisai Co., Ltd. · 1998
- Poly(ethylene glycol) containing chemically disparate endgroups28US 7,560,588 B2Intezyne Technologies, Inc. · 2009
- Biologically active compounds of Ganoderma pfeifferi DSM 1323919US 6,726,911 B1Ganomycin · 2004
- New redox indicators17US 4,966,855 ABoehringer Mannheim GmbH · 1990
- Substituted ethane diphosphonic acids and salts and esters thereof10US 3,957,858 AMonsanto Company · 1976