C07F 9/5337
Phosphine oxides or thioxides containing the structure -c-p or nc-p
Official title: {Phosphine oxides or thioxides containing the structure -C(=X)-P(=X) or NC-P(=X) (X = O, S, Se)}
C07F9/5337 (Phosphine oxides or thioxides containing the structure -c-p or nc-p) appears on 75 US grants and 65 published applications in this corpus.
Search patents in C07F- Granted patents
- 75
- Published applications
- 65
- Assignees
- 40
- Inventors
- 175
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 3 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 4 | 4 |
| 2007 | 2 | 1 |
| 2008 | 3 | 2 |
| 2009 | 0 | 1 |
| 2010 | 3 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 1 |
| 2014 | 3 | 2 |
| 2015 | 4 | 3 |
| 2016 | 0 | 3 |
| 2017 | 2 | 0 |
| 2018 | 4 | 6 |
| 2019 | 1 | 5 |
| 2020 | 3 | 4 |
| 2021 | 4 | 4 |
| 2022 | 1 | 3 |
| 2023 | 1 | 4 |
| 2024 | 2 | 1 |
| 2025 | 4 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Acylphosphine oxide compounds and preparation methods thereof16 Dec 2025US 12,497,416 B2Anhui Chichem Corporation
- Fluorinated photoinitiators and fluorinated (co)polymer layers made using the same12 Aug 2025US 12,384,807 B23M Innovative Properties Company
- Acylphosphineoxide initiators10 Jun 2025US 12,325,723 B2Agfa NV
- Compound, method for producing same, resin composition, resin sheet, multilayer printed wiring board, and semiconductor device27 May 2025US 12,312,323 B2Mitsubishi Gas Chemical Company, Inc.
- Organosilicon compound, method for producing thereof, and use thereof2 Jul 2024US 12,024,535 B2Dow Global Technologies LLC
- Phosphine oxide-based photoinitiators23 Jul 2026US 2026/0209256 A1Arkema France
- Acylphosphine oxide photoinitiator3 Jul 2025US 2025/0215160 A1Dow Global Technologies LLC
- Silicone-soluble acylphosphine oxide photoinitiator26 Jun 2025US 2025/0206889 A1Dow Global Technologies LLC
- Polyhydroxylated photoinitiators6 Mar 2025US 2025/0074868 A1Arkema France
- Radically Polymerizable Materials For The Production Of Dental Molding With Little Discoloration2 Jan 2025US 2025/0002631 A1
Most cited
By later US patents
- Bisacylphosphine oxides, the preparation and use thereof183US 4,737,593 AFabrik Pharmazeutischer Praparate · 1988
- Acylphosphine oxide compounds their preparation and use115US 4,298,738 ABASF SE · 1981
- Acylphosphine oxide compounds113US 4,324,744 ABASF SE · 1982
- Photocurable compositions with acylphosphine oxide photoinitiator94US 4,710,523 ABASF SE · 1987
- Method of making a relief plate using a photopolymerizable recording composition86US 4,385,109 ABASF SE · 1983