C01G 21/12
Hydroxides
C01G21/12 (Hydroxides) appears on 3 US grants and 4 published applications in this corpus.
Search patents in C01G- Granted patents
- 3
- Published applications
- 4
- Assignees
- 5
- Inventors
- 11
- Latest grant
- 6 May 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 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 | 0 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Recovery of high purity lead oxide from lead acid battery paste6 May 2014US 8,715,615 B2Retriev Technologies Incorporated
- Recovery of high purity lead oxide from lead acid battery paste4 Dec 2012US 8,323,595 B1Toxco, Inc.
- Method for desulfation of battery mud26 May 1981US 4,269,810 ANL Industries, Inc.
- Method of Recycling Lead-Acid Battery Waste into Lead Halide for Resource Utilization and Purification15 Jul 2021US 2021/0218081 A1South China University of Technology
- Recovery of lead and indium from glass, primarily from electronic waste material31 Jul 2014US 2014/0212347 A1Jernkontoret AB
- Recovery of high purity lead oxide from lead acid battery paste23 Jan 2014US 2014/0023574 A1Retriev Technologies Incorporated
- Process for the production of lead hydrate or monoxide of high purity, from materials and/or residues containing lead in the form of sulphates, monoxides and/or other compounds26 Oct 2006US 2006/0239903 A1
Most cited
By later US patents