C07F 9/5407
Acyclic saturated phosphonium compounds
Official title: {Acyclic saturated phosphonium compounds}
C07F9/5407 (Acyclic saturated phosphonium compounds) appears on 437 US grants and 207 published applications in this corpus.
Search patents in C07F- Granted patents
- 437
- Published applications
- 207
- Assignees
- 191
- Inventors
- 643
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 37 | 0 |
| 1977 | 41 | 0 |
| 1978 | 94 | 0 |
| 1979 | 32 | 0 |
| 1980 | 20 | 0 |
| 1981 | 16 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 0 | 3 |
| 2004 | 4 | 9 |
| 2005 | 1 | 1 |
| 2006 | 3 | 8 |
| 2007 | 2 | 9 |
| 2008 | 3 | 11 |
| 2009 | 7 | 20 |
| 2010 | 18 | 12 |
| 2011 | 4 | 6 |
| 2012 | 4 | 7 |
| 2013 | 4 | 7 |
| 2014 | 7 | 11 |
| 2015 | 11 | 15 |
| 2016 | 9 | 12 |
| 2017 | 8 | 4 |
| 2018 | 8 | 10 |
| 2019 | 6 | 10 |
| 2020 | 6 | 2 |
| 2021 | 9 | 16 |
| 2022 | 4 | 9 |
| 2023 | 11 | 11 |
| 2024 | 12 | 6 |
| 2025 | 7 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for inhibiting or disrupting biofilm formation, or reducing biofilm26 Aug 2025US 12,398,092 B2Ramot at Tel-Aviv University Ltd.
- Friction and wear reduction additives13 May 2025US 12,297,400 B2Petroliam Nasional Berhad (Petronas)
- Phosphonium compound, reagent kit for derivatization, mass spectrometric method, and method for producing phosphonium compound6 May 2025US 12,291,546 B2JEOL Ltd.
- Phosphonium-based zwitterionic monomers and polymers, and compositions and methods thereof22 Apr 2025US 12,281,132 B2University of Massachusetts
- Method for manufacturing a light emitting element including a quantum dot composition25 Mar 2025US 12,258,504 B2Samsung Display Co., Ltd.
- Compound and antistatic agent containing the same as active component27 Aug 2026US 2026/0250306 A1Nippon Chemical Industrial Co., Ltd.
- Catalysts for solvolysis of polyester6 Aug 2026US 2026/0225087 A1Agency for Science, Technology and Research
- Donor-acceptor conjugated oligoelectrolytes for cell labelling and methods thereof13 Nov 2025US 2025/0347685 A1National University of Singapore
- Flame retardant and preparation process thereof21 Aug 2025US 2025/0263534 A1Energy Solutions (US) LLC
- Ashless ionic liquid3 Jul 2025US 2025/0215346 A1Petroliam Nasional Berhad (Petronas)
Most cited
By later US patents
- Method of preparing a controlled-release pharmaceutical preparation, and resulting composition201US 4,145,410 A1979
- Compounds having reversible inhibiting activity of carnitine palmitoyl-transferase77US 6,369,073 B1Sigma-Tau Industrie Farmaceutiche Riunite S. P.A., · 2002
- Functionalized ionic liquids, and methods of use thereof64US 7,208,605 B2University of South Alabama · 2007
- Fatty-acid amide hydrolase62US 6,271,015 B1The Scripps Research Institute · 2001
- Steroid derivatives61US 4,659,516 AImperial Chemical Industries PLC · 1987