C01G 49/0081
Containing iron in unusual valence state [iv, v, vi]
Official title: {containing iron in unusual valence state [IV, V, VI]}
C01G49/0081 (Containing iron in unusual valence state [iv, v, vi]) appears on 29 US grants and 31 published applications in this corpus.
Search patents in C01G- Granted patents
- 29
- Published applications
- 31
- Assignees
- 20
- Inventors
- 65
- Latest grant
- 20 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 3 |
| 2015 | 1 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 4 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Acidic ferrate composition and methods of making ferrate20 Dec 2022US 11,530,137 B2Phosphorus Free Water Solutions, LLC
- Method for efficiently preparing ferrate based on nascent interfacial activity14 Dec 2021US 11,198,619 B2Harbin Institute of Technology
- Ex situ ferrate generation17 Nov 2020US 10,836,648 B2
- Method for efficiently preparing ferrate based on nascent interfacial activity5 Feb 2019US 10,196,279 B2
- Paste for manufacturing photocatalyst and manufacturing method of photocatalyst11 Dec 2018US 10,150,101 B2National Tsing Hua University
- Laser processing apparatus and methods of laser-processing workpieces28 Oct 2021US 2021/0331273 A1Electro Scientific Industries, Inc.
- Method for preparing high-valence iron salt18 Feb 2021US 2021/0047201 A1Harbin Institute of Technology
- Acidic ferrate composition and methods of making ferrate27 Aug 2020US 2020/0270145 A1Phosphorus Free Water Solutions, LLC
- Ex Situ Ferrate Generation12 Sep 2019US 2019/0276331 A1
- Method for Efficiently Preparing Ferrate Based on Nascent Interfacial Activity16 May 2019US 2019/0144297 A1Harbin Institute of Technology
Most cited
By later US patents
- Methods of synthesizing a ferrate oxidant and its use in ballast water49US 7,476,324 B2Ferrate Treatment Technologies, LLC · 2009
- Methods of synthesizing an oxidant and applications thereof41US 6,790,429 B2Ab Initio LC · 2004
- Methods of synthesizing an oxidant and applications thereof37US 6,974,562 B2Ferrate Treatment Technologies, LLC · 2005
- Process for producing alkali metal ferrates utilizing hematite and magnetite34US 4,545,974 A1985
- Process for producing a dried, stable mixture of alkali metal or alkaline earth metal ferrate (VI) compounds with hydroxides and carbonates23US 4,606,843 AOlin Corporation · 1986