C01F 7/16
Preparation of alkaline-earth metal aluminates or magnesium aluminates
Official title: Preparation of alkaline-earth metal aluminates or magnesium aluminates; Aluminium oxide or hydroxide therefrom (C01F7/028 takes precedence)
C01F7/16 (Preparation of alkaline-earth metal aluminates or magnesium aluminates) appears on 188 US grants and 170 published applications in this corpus.
Search patents in C01F- Granted patents
- 188
- Published applications
- 170
- Assignees
- 155
- Inventors
- 564
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 3 |
| 2002 | 5 | 5 |
| 2003 | 7 | 3 |
| 2004 | 8 | 4 |
| 2005 | 1 | 7 |
| 2006 | 2 | 5 |
| 2007 | 4 | 3 |
| 2008 | 3 | 4 |
| 2009 | 5 | 7 |
| 2010 | 6 | 1 |
| 2011 | 1 | 7 |
| 2012 | 1 | 6 |
| 2013 | 6 | 6 |
| 2014 | 2 | 8 |
| 2015 | 10 | 16 |
| 2016 | 9 | 4 |
| 2017 | 8 | 7 |
| 2018 | 9 | 15 |
| 2019 | 8 | 9 |
| 2020 | 5 | 12 |
| 2021 | 2 | 15 |
| 2022 | 11 | 12 |
| 2023 | 6 | 2 |
| 2024 | 6 | 4 |
| 2025 | 7 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat-resistant member16 Dec 2025US 12,497,301 B2KYOCERA Corporation
- Manufacturing a nanocomposite25 Nov 2025US 12,479,723 B1Imam Mohammad Ibn Saud Islamic University
- Molded sintered body, and method for producing molded sintered body18 Nov 2025US 12,472,485 B2Tokyo Institute of Technology
- Ceramic sintered body comprising magnesium aluminate spinel15 Jul 2025US 12,358,806 B2Heraeus Covantics North America LLC
- Method of producing metal oxyhydride, metal oxyhydride, and method of synthesizing ammonia using same1 Jul 2025US 12,343,704 B2Japan Science and Technology Agency
- Modified layered double hydroxide (ldh), particles comprising said ldh, and method for producing said ldh21 May 2026US 2026/0138879 A1Kisuma Chemicals B.V.
- Ceramic sintered body comprising magnesium aluminate spinel2 Oct 2025US 2025/0304460 A1Heraeus Covantics North America LLC
- Composite metal oxide13 Mar 2025US 2025/0083976 A1SETOLAS Holdings, Inc.
- Metal oxide manufacturing device and metal oxide manufacturing method30 Jan 2025US 2025/0034750 A1DIC Corporation
- A method for continuous production of magnesium metal by metallothermic reduction of magnesium bearing ore and condensatino of liquid magnesium16 Jan 2025US 2025/0019794 A1Big Blue Technologies Inc.
Most cited
By later US patents
- Synthesis of nanometer-sized particles by reverse micelle mediated techniques178US 6,413,489 B1Massachusetts Institute of Technology · 2002
- Spray-dried inorganic oxides from non-aqueous gels or solutions60US 4,649,037 AAllied Corporation · 1987
- Nanostructured multi-component and doped oxide powders and method of making same55US 7,182,929 B1NEI Corporation · 2007
- Alkaline earth metal spinels and processes for making54US 4,728,635 AKatalistiks International Inc. · 1988
- Process for producing aluminate-based phosphor45US 6,565,771 B1Sumitomo Chemical Company, Limited · 2003