C07F 9/5329
Polyphosphine oxides or thioxides
Official title: {Polyphosphine oxides or thioxides}
C07F9/5329 (Polyphosphine oxides or thioxides) appears on 70 US grants and 64 published applications in this corpus.
Search patents in C07F- Granted patents
- 70
- Published applications
- 64
- Assignees
- 65
- Inventors
- 240
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 4 |
| 2008 | 2 | 5 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 1 |
| 2015 | 4 | 5 |
| 2016 | 3 | 5 |
| 2017 | 3 | 5 |
| 2018 | 2 | 2 |
| 2019 | 5 | 3 |
| 2020 | 2 | 4 |
| 2021 | 2 | 4 |
| 2022 | 3 | 2 |
| 2023 | 2 | 2 |
| 2024 | 0 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polycyclic aromatic compound11 Aug 2026US 12,707,891 B2Kwansei Gakuin Educational Foundation
- Polymeric tandem dyes with linker groups3 Jun 2025US 12,319,817 B2Sony Group Corporation
- Polymeric tandem dyes with linker groups15 Apr 2025US 12,275,851 B2Sony Group Corporation
- Organic electroluminescent devices3 Oct 2023US 11,778,908 B2KunShan Go-Visionox Opto-Electronics Co., Ltd
- Compound, a display panel and an electronic device16 May 2023US 11,649,254 B2Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
- Compound, Coating Composition Comprising Same, Organic Light-Emitting Device Comprising Same, and Method for Manufacturing Same9 Jan 2025US 2025/0011350 A1LG Chem.Ltd.
- Method for Producing Compound, Compound, and Metal Catalyst24 Oct 2024US 2024/0352052 A1Japan Science and Technology Agency
- N-Doped Semiconducting Material Comprising Phosphine Oxide Matrix and Metal Dopant5 Sep 2024US 2024/0298524 A1Novaled GmbH
- Method for producing diphosphine monoxide16 May 2024US 2024/0158424 A1Takasago International Corporation
- Polycyclic aromatic compound31 Aug 2023US 2023/0276708 A1Kwansei Gakuin Educational Foundation
Most cited
By later US patents
- Materials for organic electroluminescent devices49US 8,852,756 B2Merck Patent GmbH · 2014
- Polymeric tandem dyes with linker groups27US 11,453,783 B2Sony Corporation · 2022
- Bisphosphines for asymmetric hydrogenation catalysts24US 5,510,503 ABayer Aktiengesellschaft · 1996
- Plug-in type light bulb12US 5,800,212 A1998
- Fluorine derivatives for organic electroluminescence devices11US 8,361,638 B2Merck Patent GmbH · 2013