C01G 23/0532
By hydrolysing sulfate-containing salts
Official title: {by hydrolysing sulfate-containing salts}
C01G23/0532 (By hydrolysing sulfate-containing salts) appears on 119 US grants and 105 published applications in this corpus.
Search patents in C01G- Granted patents
- 119
- Published applications
- 105
- Assignees
- 90
- Inventors
- 302
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 5 |
| 2003 | 3 | 6 |
| 2004 | 5 | 9 |
| 2005 | 3 | 5 |
| 2006 | 7 | 6 |
| 2007 | 3 | 6 |
| 2008 | 4 | 8 |
| 2009 | 5 | 2 |
| 2010 | 3 | 6 |
| 2011 | 1 | 5 |
| 2012 | 4 | 5 |
| 2013 | 5 | 3 |
| 2014 | 2 | 4 |
| 2015 | 6 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 5 |
| 2018 | 3 | 2 |
| 2019 | 5 | 7 |
| 2020 | 4 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 5 |
| 2023 | 2 | 4 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Titanium oxide powder and method for manufacturing same31 Mar 2026US 12,590,010 B2Tayca Corporation
- Acid wash of red mud (bauxite residue)20 Jan 2026US 12,528,709 B2Worcester Polytechnic Institute
- Methods of extraction of products from titanium-bearing materials24 Dec 2024US 12,172,905 B2Avertana Limited
- Self-cleaning coating, self-cleaning fiber, self-cleaning carpet and uses thereof10 Sep 2024US 12,084,808 B2
- 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
- Process of providing titanium dioxide and/or vanadium oxide26 Mar 2026US 2026/0085382 A1Fodere Titanium Limited
- Inorganic pigment treated with phms/pdms copolymer23 Jan 2025US 2025/0026908 A1Tronox LLC
- Titanium oxide powder and method for producing same25 Jul 2024US 2024/0246832 A1Tayca Corporation
- Process for recovering materials from bauxite residue, microwave reactor for heating mining products and method for heating a mining product30 Nov 2023US 2023/0382755 A1New Wave Royalties Sociedad Anonima
Most cited
By later US patents
- Nanodisperse titanium dioxide, process for the production thereof and use thereof96US 5,840,111 ABayer Aktiengesellschaft · 1998
- Nanoparticulate titanium dioxide coatings, and processes for the production and use thereof73US 6,653,356 B22003
- Methods of preparing a surface-activated titanium oxide product and of using same in water treatment processes32US 6,919,029 B2The Trustees of the Stevens Institute of Technology · 2005
- Coproducing alumina, iron oxide, and titanium-dioxide from aluminum ore bodies and feedstocks22US 6,447,738 B1Solv-Ex Corporation · 2002
- Modified titanium dioxide and a method for its preparation19US 6,956,006 B1Rotem Amfert Negev Ltd. · 2005