C01B 25/06
Hydrogen phosphides
C01B25/06 (Hydrogen phosphides) appears on 61 US grants and 16 published applications in this corpus.
Search patents in C01B- Granted patents
- 61
- Published applications
- 16
- Assignees
- 32
- Inventors
- 107
- Latest grant
- 2 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 3 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 3 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Phosphine for fumigation, method for producing same, and fumigation method2 Jul 2024US 12,022,834 B2Nippon Chemical Industrial Co., Ltd.
- Nanocrystal preparation method, nanocrystals, and apparatus for preparing and storing dissolved gas31 Dec 2019US 10,519,038 B2Suzhou Xingshuo Nanotech Co., Ltd.
- Heptaphosphorus-derived compounds as flame retardants17 Sep 2019US 10,414,985 B2BASF SE
- Ionic liquid based mixtures for gas storage and delivery19 Jun 2012US 8,202,446 B2Air Products and Chemicals, Inc.
- Apparatus and method for rapid and continuous generation of phosphine gas13 Sep 2011US 8,017,090 B2United Phosphorus, Ltd.
- A system for generating phosphine gas3 Oct 2024US 2024/0326002 A1
- Phosphine for fumigation, method for producing same, and fumigation method20 Jan 2022US 2022/0015369 A1Nippon Chemical Industrial Co., Ltd.
- Nanocrystal preparation method, nanocrystals, and apparatus for preparing and storing dissolved gas21 Feb 2019US 2019/0055126 A1Suzhou Xingshou Nanotech Co., Ltd.
- Heptaphosphorus-derived compounds as flame retardants2 Aug 2018US 2018/0216008 A1BASF SE
- Systems and methods for capture, storage, and supplying phosphine gas21 Aug 2014US 2014/0234436 A1Advanced Technology Materials, Inc.
Most cited
By later US patents
- Bulk gas sorption and apparatus, gas containment/treatment system comprising same, and sorbent composition therefor81US 5,151,395 ANovapure Corporation · 1992
- Process and composition for purifying arsine, phosphine, ammonia, and inert gases to remove Lewis acid and oxidant impurities therefrom43US 4,761,395 AAdvanced Technology Materials, Inc. · 1988
- Composition, apparatus, and process, for sorption of gaseous compounds of group II-VII elements42US 5,037,624 AAdvanced Technology Materials, Inc. · 1991
- Process for producing silicon hydrides26US 4,610,859 AMitsui Toatsu Chemicals, Inc. · 1986
- Purification of hydride gases24US 7,160,360 B2Air Products and Chemicals, Inc. · 2007