C22B 3/385
Thiophosphoric acids, or esters thereof
Official title: {Thiophosphoric acids, or esters thereof}
C22B3/385 (Thiophosphoric acids, or esters thereof) appears on 35 US grants and 7 published applications in this corpus.
Search patents in C22B- Granted patents
- 35
- Published applications
- 7
- Assignees
- 25
- Inventors
- 80
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 3 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Recovery of critical elements from end-of-life lithium ion batteries with supported membrane solvent extraction7 Nov 2023US 11,811,035 B2UT-Battelle, LLC
- Actinide extraction methods21 Sep 2010US 7,799,293 B2Battelle Energy Alliance, LLC
- Method for separating trivalent americium from trivalent curium13 Jul 2010US 7,754,167 B2Forschungszentrum Julich GmbH
- Method for forming an extraction agent for the separation of actinides from lanthanides27 Apr 2010US 7,704,468 B1Battelle Energy Alliance, LLC
- Lead, zinc and manganese recovery from aqueous solutions11 Feb 2003US 6,517,701 B1Centaur Mining Exploration Limited
- An integrated method and system for trivalent actinides and lanthanides separation and trivalent actinides mutual separation12 Jun 2025US 2025/0188569 A1China Institute of Atomic Energy
- Recovery of critical elements from end-of-life lithium ion batteries with supported membrane solvent extraction2 Dec 2021US 2021/0376400 A1UT-Battelle, LLC
- Actinide extraction methods and actinide separation compositions17 Jun 2010US 2010/0150798 A1Battelle Energy Alliance, LLC
- Method for forming an extraction agent for the separation of actinides from lanthanides15 Apr 2010US 2010/0094042 A1Battelle Energy Alliance, LLC
- Preparation of Zinc Chemicals from the Minor Flow of a Process1 Nov 2007US 2007/0253878 A1outokumpu technology oyi
Most cited
By later US patents
- Method of recovering metal from metalliferous waste37US 3,966,569 AMX Processor Reinhardt & Co. AB · 1976
- Recovery of metal values from spent catalysts30US 4,721,606 AUnion Oil Company of California · 1988
- Lead, zinc and manganese recovery from aqueous solutions25US 6,517,701 B1Centaur Mining Exploration Limited · 2003
- Selective removal of metals from aqueous solutions with dithiophosphinic acids19US 4,721,605 AAmerican Cyanamid Company · 1988
- Process for the extraction and separation of nickel and/or cobalt14US 5,447,552 AGoro Nickel S.A. · 1995