C07F 9/65746
The molecule containing more than one cyclic phosphorus atom
Official title: {the molecule containing more than one cyclic phosphorus atom}
C07F9/65746 (The molecule containing more than one cyclic phosphorus atom) appears on 318 US grants and 207 published applications in this corpus.
Search patents in C07F- Granted patents
- 318
- Published applications
- 207
- Assignees
- 131
- Inventors
- 595
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 15 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 27 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 2 |
| 2002 | 7 | 5 |
| 2003 | 5 | 6 |
| 2004 | 2 | 7 |
| 2005 | 4 | 5 |
| 2006 | 3 | 11 |
| 2007 | 4 | 6 |
| 2008 | 5 | 3 |
| 2009 | 5 | 6 |
| 2010 | 8 | 9 |
| 2011 | 4 | 7 |
| 2012 | 5 | 10 |
| 2013 | 6 | 15 |
| 2014 | 9 | 16 |
| 2015 | 13 | 10 |
| 2016 | 8 | 10 |
| 2017 | 12 | 12 |
| 2018 | 10 | 8 |
| 2019 | 12 | 8 |
| 2020 | 4 | 9 |
| 2021 | 6 | 4 |
| 2022 | 3 | 18 |
| 2023 | 10 | 2 |
| 2024 | 1 | 8 |
| 2025 | 5 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions4 Aug 2026US 12,698,299 B2INV Nylon Chemicals Americas, LLC
- Electrochemical apparatus and electronic apparatus4 Aug 2026US 12,700,581 B2Ningde Amperex Technology Limited
- Bidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions21 Jul 2026US 12,686,658 B2INV Nylon Chemicals Americas, LLC
- Preparation of organosilicon compounds with aldehyde functionality7 Apr 2026US 12,595,339 B2Dow Global Technologies LLC
- Encoded design integrated synthesis of nucleic acids, and phospholipids, and related pharmaceutical products18 Nov 2025US 12,473,247 B2
- Phosphorus-containing compound, method of preparing the same, resin composition and article made therefrom30 Apr 2026US 2026/0117046 A1Elite Electronic Material (Zhongshan) Co., Ltd.
- Encoded design integrated synthesis of nucleic acids, and phospholipids, and related pharmaceutical products12 Feb 2026US 2026/0042726 A1
- Bidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions5 Feb 2026US 2026/0035395 A1INV Nylon Chemicals Americas, LLC
- Bidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions15 Jan 2026US 2026/0015319 A1INV Nylon Chemicals Americas, LLC
- Bisphosphites with a naphthol outer unit18 Dec 2025US 2025/0382314 A1Evonik Oxeno GmbH
Most cited
By later US patents
- Hydroformylation process97US 5,288,918 AUnion Carbide Chemicals & Plastics Technology Corporation · 1994
- Hydroformylation process for producing 1,6-hexanedials72US 5,312,996 AUnion Carbide Chemicals & Plastics Technology Corporation · 1994
- Phosphonic acid derivatives65US 5,719,303 AEisai Co., Ltd. · 1998
- Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles60US 5,821,378 AE. I. Du Pont de Nemours and Company · 1998
- Alkanolamine esters of 1,1'-biphenyl-2,2'-diyl-and alkylidene-1,1'-biphenyl-2,2'-diyl-cyclic phosphites59US 4,318,845 ACiba-Geigy Corporation · 1982