C07F 9/535
Organo-phosphoranes
C07F9/535 (Organo-phosphoranes) appears on 214 US grants and 149 published applications in this corpus.
Search patents in C07F- Granted patents
- 214
- Published applications
- 149
- Assignees
- 123
- Inventors
- 505
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 12 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 2 |
| 2002 | 4 | 3 |
| 2003 | 4 | 3 |
| 2004 | 1 | 3 |
| 2005 | 2 | 4 |
| 2006 | 1 | 5 |
| 2007 | 3 | 6 |
| 2008 | 0 | 5 |
| 2009 | 4 | 7 |
| 2010 | 8 | 6 |
| 2011 | 2 | 8 |
| 2012 | 2 | 5 |
| 2013 | 3 | 8 |
| 2014 | 9 | 6 |
| 2015 | 12 | 8 |
| 2016 | 5 | 3 |
| 2017 | 3 | 5 |
| 2018 | 5 | 8 |
| 2019 | 5 | 11 |
| 2020 | 9 | 7 |
| 2021 | 5 | 5 |
| 2022 | 5 | 6 |
| 2023 | 6 | 10 |
| 2024 | 6 | 8 |
| 2025 | 4 | 6 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anthraquinone-functionalized polymerization initiators and their use in the manufacture of ophthalmic lenses14 Jul 2026US 12,679,854 B2Johnson & Johnson Vision Care, Inc.
- Non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery including the same7 Jul 2026US 12,676,342 B2LG Energy Solution, Ltd.
- Onium salt and photoacid generator23 Jun 2026US 12,662,450 B2San-Apro Ltd.
- Mitochondria-targeted atovagone: a more potent and more effective antitumor, antimicrobial, and antimalarial drug7 Apr 2026US 12,594,283 B2Aix-Marseille Universite
- Sulfonium salt, photoacid generator, curable composition, and resist composition4 Nov 2025US 12,461,444 B2San-Apro Ltd.
- Mitochondria-targeted atovaquone: a more potent and more effective antitumor, antimicrobial, and antimalarial drug25 Jun 2026US 2026/0174785 A1Aix-Marseille Universite
- Phosphino-Quinoline-Pyridine Ligands and Methods13 Nov 2025US 2025/0346619 A1Chevron Phillips Chemical Company LP
- Enhanced Iron-Based Oligomerization of Ethylene Using Machine Learning-Based K-Value Prediction13 Nov 2025US 2025/0349392 A1Chevron Phillips Chemical Company LP
- Enhanced Machine Learning for Iron-Based Oligomerization of Ethylene K-Value Prediction13 Nov 2025US 2025/0349393 A1Chevron Phillips Chemical Company LP
- Organometallic complex, olefin polymerization catalyst system and polymerization process23 Oct 2025US 2025/0326776 A1NOVA Chemicals (International) S.A.
Most cited
By later US patents
- Insecticides158US 4,024,163 ANational Research Development Corporation · 1977
- Vulcanizable compositions based on copolymers of vinylidene fluoride and containing vulcanization accelerators which are aminophosphinic compounds104US 4,259,463 AMontedison S.p.A. · 1981
- Contrast agents and compositions for radiological imaging, and radiological imaging method utilizing same59US 5,545,397 ABoron Biologicals, Inc. · 1996
- Fluorescent compounds38US 5,435,937 AAmersham International plc · 1995
- Process for preparing cyclopropylacetylene30US 6,207,864 B1BASF SE · 2001