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C07F 9/5449

Polyphosphonium compounds

Official title: {Polyphosphonium compounds}

C07F9/5449 (Polyphosphonium compounds) appears on 54 US grants and 44 published applications in this corpus.

Search patents in C07F

Granted patents: 54
Published applications: 44
Assignees: 56
Inventors: 122
Latest grant: 13 Jan 2026

Filings by year

C07F 9/5449: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	2	0
1977	0	0
1978	1	0
1979	4	0
1980	3	0
1981	1	0
1982	1	0
1983	0	0
1984	1	0
1985	2	0
1986	1	0
1987	0	0
1988	0	0
1989	0	0
1990	0	0
1991	0	0
1992	0	0
1993	0	0
1994	1	0
1995	1	0
1996	1	0
1997	2	0
1998	1	0
1999	1	0
2000	1	0
2001	0	0
2002	1	1
2003	0	0
2004	2	3
2005	0	0
2006	1	2
2007	0	3
2008	0	7
2009	2	1
2010	2	0
2011	3	2
2012	2	2
2013	1	2
2014	0	2
2015	3	1
2016	3	2
2017	0	0
2018	2	3
2019	0	2
2020	3	1
2021	2	2
2022	0	0
2023	0	2
2024	1	2
2025	1	2
2026	1	2

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

Ylide-functionalised phosphanes for use in metal complexes and homogeneous catalysis13 Jan 2026US 12,521,704 B2Umicore AG & Co. KG
X-ray scintillators, metal halide hybrids, devices, and methods29 Jul 2025US 12,372,670 B2The Florida State University Research Foundation, Inc.
X-ray scintillators, metal halide hybrids, devices, and methods10 Dec 2024US 12,164,066 B2The Florida State University Research Foundation, Inc.
Ionic liquid containing divalent cation and monovalent anion and lubricant composition comprising same17 Aug 2021US 11,091,718 B2SK Innovation Co., Ltd.
Ylide-functionalised phosphanes for use in metal complexes and homogeneous catalysis9 Mar 2021US 10,940,470 B2Umicore AG & Co. KG

Most cited

By later US patents