C07F 9/5095
Separation
Official title: {Separation; Purification; Stabilisation}
C07F9/5095 (Separation) appears on 24 US grants and 14 published applications in this corpus.
Search patents in C07F- Granted patents
- 24
- Published applications
- 14
- Assignees
- 26
- Inventors
- 82
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing sulfonated arylphosphine19 May 2026US 12,630,572 B2Hanwha Solutions Corporation
- Simultaneous recovery of organic compounds and extractants23 Apr 2019US 10,265,641 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Stabilized form of tetrofosmin and its use8 May 2018US 9,963,473 B2Rotop Pharmaka GmbH
- Method for purifying a crude PNPNH compound8 Dec 2015US 9,206,207 B2Linde Aktiengesellschaft
- Processes for recovery of a triarylphosphine from a group VIII metal catalyst complex mixture23 Feb 2010US 7,667,079 B2Oxea GmbH
- Diphosphine compounds and complexes3 Jul 2025US 2025/0215027 A1Cancer Research Technology Limited
- Method for preparing phosphine compound based on pyrophosphorous acid22 May 2025US 2025/0163085 A1Zhejiang Yangfan New materials Co., LTD
- Method for preparing sulfonated arylphosphine28 Dec 2023US 2023/0416285 A1Hanwha Solutions Corporation
- Simultaneous recovery of organic compounds and extractants23 Feb 2017US 2017/0050119 A1Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Stabilized form of tetrofosmin and its use8 Dec 2016US 2016/0355532 A1Rotop Pharmaka GmbH
Most cited
By later US patents
- Process for the preparation of sulfonated aryl phosphine25US 4,483,802 ARuhrchemie Aktiengesekkschaft · 1984
- Process for removing triorganophosphine from a liquid composition20US 4,283,304 AUnion Carbide Corporation · 1981
- Process for the recovery of phosphorus and iodine containing catalyst components13US 7,541,499 B2Eastman Chemical Company · 2009
- Method for determining suitability of triorganophosphorus ligands for use in hydroformylation processes7US 4,009,003 ACelanese Corporation · 1977
- Process for the purification of sulfonated aryl phosphines6US 4,623,490 ARuhrchemie Aktiengesellschaft · 1986