C22B 34/1213
By wet processes
Official title: {by wet processes, e.g. using leaching methods or flotation techniques}
C22B34/1213 (By wet processes) appears on 40 US grants and 35 published applications in this corpus.
Search patents in C22B- Granted patents
- 40
- Published applications
- 35
- Assignees
- 36
- Inventors
- 115
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 3 |
| 2009 | 3 | 1 |
| 2010 | 3 | 3 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 3 |
| 2022 | 0 | 1 |
| 2023 | 1 | 4 |
| 2024 | 1 | 0 |
| 2025 | 3 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for recovering materials from bauxite residue, microwave reactor for heating mining products and method for heating a mining product7 Apr 2026US 12,595,185 B2New Wave Royalties Sociedad Anonima
- Recycling of components contained in a residue obtained from the chloride process23 Dec 2025US 12,503,374 B2Kronos International, Inc.
- System for processing red mud and method of processing red mud22 Jul 2025US 12,365,954 B2Red Mud Enterprises LLC
- Byproduct scandium recovery from low grade primary metal oxide ores24 Jun 2025US 12,338,509 B2Scandium International Mining Corporation
- Method for co-extraction of vanadium, titanium and chromium from vanadium slag3 Dec 2024US 12,157,931 B2University of Science and Technology Beijing
- Process for recovering materials from bauxite residue, microwave reactor for heating mining products and method for heating a mining product4 Jun 2026US 2026/0152407 A1New Wave Royalties Sociedad Anonima
- Methods of making upgraded synthetic rutile15 Jan 2026US 2026/0015691 A1University of Utah Research Foundation
- System for processing red mud and method of processing red mud1 Jan 2026US 2026/0002225 A1Red Mud Enterprises LLC
- Recycling of components contained in a residue obtained from the chloride process17 Apr 2025US 2025/0122090 A1Kronos International, Inc.
- Method for preparing self doped titanium-niobium oxide negative electrode material using waste titanium dioxide carrier, negative electrode material, and lithium-ion battery23 Jan 2025US 2025/0027184 A1China University of Petroleum-Beijing
Most cited
By later US patents
- Process for producing a synthetic rutile from ilmentite14US 4,097,574 AUnited States Steel Corporation · 1978
- Method for purifying TiO.sub.2 ore14US 5,011,666 AE. I. Du Pont de Nemours and Company · 1991
- Beneficiation of ilmenite ore11US 4,019,898 ABenilite Corporation of America · 1977
- Ilmenite beneficiation process and a digester method10US 4,269,619 AKerr-McGee Chemical Corporation · 1981
- Process for the electrolytic reductive leaching of ilmenite ore10US 4,272,343 AKerr-McGee Corporation · 1981