C07F 9/5355
Phosphoranes containing the structure p=n-
Official title: {Phosphoranes containing the structure P=N-}
C07F9/5355 (Phosphoranes containing the structure p=n-) appears on 74 US grants and 65 published applications in this corpus.
Search patents in C07F- Granted patents
- 74
- Published applications
- 65
- Assignees
- 42
- Inventors
- 168
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 3 |
| 2007 | 2 | 3 |
| 2008 | 0 | 3 |
| 2009 | 1 | 3 |
| 2010 | 6 | 4 |
| 2011 | 1 | 7 |
| 2012 | 1 | 1 |
| 2013 | 2 | 4 |
| 2014 | 4 | 4 |
| 2015 | 7 | 3 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 3 | 5 |
| 2019 | 3 | 3 |
| 2020 | 4 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 3 |
| 2025 | 2 | 5 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Photoacid generator for chemically amplified photoresists for deep ultra violet and extreme ultraviolet lithography20 May 2025US 12,306,535 B2International Business Machines Corporation
- Organometallic complex, olefin polymerization catalyst system and polymerization process15 Apr 2025US 12,275,751 B2NOVA Chemicals (International) S.A.
- Bis-phosphinimide catalysts for olefin polymerization19 Nov 2024US 12,146,012 B2NOVA Chemicals (International) S.A.
- Organometallic complex, olefin polymerization catalyst system and polymerization process4 Jun 2024US 11,999,763 B2NOVA Chemicals (International) S.A.
- Additive for non-aqueous electrolyte solution, non-aqueous electrolyte solution, and non-aqueous electrolyte solution battery12 Sep 2023US 11,757,130 B2Central Glass Company, Limited
- 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.
- Organometallic complex, olefin polymerization catalyst system and polymerization process14 Aug 2025US 2025/0257084 A1NOVA Chemicals (International) S.A.
Most cited
By later US patents
- 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
- Catalysts and methods for polymer synthesis29US 8,633,123 B2Novomer, Inc. · 2014
- Catalysts and methods for polymer synthesis21US 8,956,989 B2Novomer, Inc. · 2015
- Catalysts and methods for polymer synthesis20US 8,946,109 B2Novomer, Inc. · 2015