C01G 28/02
Arsenates
Official title: Arsenates; Arsenites {(C01G28/001 takes precedence)}
C01G28/02 (Arsenates) appears on 44 US grants and 24 published applications in this corpus.
Search patents in C01G- Granted patents
- 44
- Published applications
- 24
- Assignees
- 41
- Inventors
- 97
- Latest grant
- 2 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 4 |
| 2011 | 3 | 1 |
| 2012 | 3 | 2 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 4 |
| 2018 | 2 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Process for reducing the concentration of arsenic in an aqueous solution comprising a fluoroacid2 May 2023US 11,639,302 B2Mexichem Fluor S.A. De C.V.
- Core shell particle, method of producing core shell particle, and film4 Oct 2022US 11,459,243 B2FUJIFILM Corporation
- Mixed conductor, electrochemical device, and method of preparing mixed conductor1 Mar 2022US 11,264,181 B2Samsung Electronics Co., Ltd.
- Process for separation of antimony and arsenic from a leach solution21 Sep 2021US 11,124,857 B2Goldcorp Inc.
- Hydrometallurgical process for the recovery of copper, lead or zinc28 Apr 2020US 10,633,721 B2Penoles Tecnologia, S.A. DE C.V.
- Core shell particle, method of producing core shell particle, and film7 May 2020US 2020/0140284 A1FUJIFILM Corporation
- Mixed conductor, electrochemical device,and method of preparing mixed conductor16 Apr 2020US 2020/0118769 A1Samsung Electronics Co., Ltd.
- Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrate10 Oct 2019US 2019/0309389 A1Goldcorp Inc.
- Process for Reducing the Concentration of Arsenic in an Aqueous Solution Comprising a Fluoroacid5 Sep 2019US 2019/0270656 A1Mexichem Fluor S.A. De C.V.
- Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrate26 Apr 2018US 2018/0112288 A1Goldcorp Inc.
Most cited
By later US patents
- Removal of arsenic from aqueous solutions29US 4,366,128 ASherritt Gordon Mines Limited · 1982
- Compositions and methods for waste treatment27US 5,649,894 A1997
- Hydrometallurgical process for extracting metal values from complex ores containing arsenic and sulfur23US 4,405,569 ASulpetro Minerals Limited · 1983
- Process for the separation of arsenic acid from a sulfuric acid-containing solution18US 5,137,640 AAllied-Signal Inc. · 1992
- Rhombohedral nasicon compound and battery17US 4,526,844 AWestinghouse Electric Corp. · 1985