C07F 9/65688
The ring phosphorus atom being part of a phosphonium compound
Official title: {the ring phosphorus atom being part of a phosphonium compound}
C07F9/65688 (The ring phosphorus atom being part of a phosphonium compound) appears on 30 US grants and 31 published applications in this corpus.
Search patents in C07F- Granted patents
- 30
- Published applications
- 31
- Assignees
- 33
- Inventors
- 93
- Latest grant
- 20 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 4 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 3 | 3 |
| 2010 | 2 | 1 |
| 2011 | 3 | 4 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 3 | 1 |
| 2015 | 1 | 3 |
| 2016 | 2 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 5 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phosphaviologen derivatives, methods of making the same, and uses thereof20 Feb 2024US 11,905,307 B2
- Phosphonium ion channel blockers and methods for use18 Jul 2023US 11,701,370 B2Nocion Therapeutics, Inc.
- Phosphonium ion channel blockers and methods for use4 Apr 2023US 11,618,761 B2Nocion Therapeutics, Inc.
- Azithromycin derivatives containing a phosphonium ion as anticancer agents30 Aug 2022US 11,427,606 B2
- Robust photochromic compounds with silicon- or phosphorus-containing heterocyclic ring and the production thereof18 Jul 2017US 9,708,528 B2The University of Hong Kong
- Catalysts for solvolysis of polyester6 Aug 2026US 2026/0225087 A1Agency for Science, Technology and Research
- Organic electroluminescent materials and devices23 Apr 2026US 2026/0114176 A1University of Southern California
- Phosphonium Ion Channel Blockers and Methods for Use7 Mar 2024US 2024/0076305 A1Nocion Therapeutics, Inc.
- Electrolytes for target ion transport6 Jul 2023US 2023/0216086 A1Deakin University
- Azithromycin derivatives containing a phosphonium ion as anticancer agents19 Aug 2021US 2021/0253616 A1Rising Tide Foundation
Most cited
By later US patents
- Ion liquids derived from Lewis acid based on titanium, niobium, tantalum, tin or antimony, and uses thereof13US 6,881,698 B2Atofina · 2005
- Quaternary ureidomethyl phosphonium salts7US 4,265,945 AThe United States of America as represented by the Secretary of Agriculture · 1981
- Method for purifying quaternary onium salts7US 7,601,871 B2Honeywell International Inc. · 2009
- Method for producing perfluoroalkanesulfonic acid esters5US 7,084,290 B2Merck Patent GmbH · 2006
- Reactive ionic liquids5US 9,006,457 B2BASF SE · 2015