C07F 9/5086
From phosphonium salts as starting materials
Official title: {from phosphonium salts as starting materials}
C07F9/5086 (From phosphonium salts as starting materials) appears on 10 US grants and 6 published applications in this corpus.
Search patents in C07F- Granted patents
- 10
- Published applications
- 6
- Assignees
- 8
- Inventors
- 22
- Latest grant
- 15 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for the preparation of bis(acyl)phospinic acid sylyl esters15 Dec 2020US 10,865,219 B2Borealis AG
- Method for preparing trishydroxymethyl phosphine20 Sep 2016US 9,447,128 B2Magpie Polymers
- Preparation of phosphorus-containing compounds useful in the preparation of biphosphine ligands27 Jun 2006US 7,067,701 B2SRI International
- Impurity inhibition in olefin metathesis reactions31 May 2005US 6,900,347 B2TillieChem, Inc.
- Preparation of phosphorus-containing compounds useful in the preparation of biphosphine ligands13 Apr 2004US 6,720,442 B2SRI International
- Process for the preparation of bis(acyl)phospinic acid sylyl esters16 Apr 2020US 2020/0115403 A1Borealis AG
- Method for preparing trishydroxymethyl phosphine21 Jul 2016US 2016/0207947 A1Magpie Polymers
- Preparation of phosphorus-containing compounds useful in the preparation of biphosphine ligands29 Jul 2004US 2004/0147785 A1SRI International
- Preparation of phosphorus-containing compounds useful in the preparation of biphosphine ligands12 Jun 2003US 2003/0109754 A1SRI International
- Impurity inhibition in olefin metathesis reactions30 Jan 2003US 2003/0023123 A1TillieChem, Inc.
Most cited
By later US patents
- Metathesis syntheses of pheromones or their components65US 6,696,597 B2TillieChem, Inc. · 2004
- Impurity inhibition in olefin metathesis reactions57US 6,900,347 B2TillieChem, Inc. · 2005
- Production of organophosphines5US 4,073,810 AHoechst Aktiengesellschaft · 1978
- Method of preparing a phosphine compound4US 5,250,736 ACyanamid Canada Inc. · 1993
- Preparation of phosphorus-containing compounds useful in the preparation of biphosphine ligands1US 6,720,442 B2SRI International · 2004