C01F 7/141
From aqueous aluminate solutions by neutralisation with an acidic agent
Official title: from aqueous aluminate solutions by neutralisation with an acidic agent
C01F7/141 (From aqueous aluminate solutions by neutralisation with an acidic agent) appears on 61 US grants and 42 published applications in this corpus.
Search patents in C01F- Granted patents
- 61
- Published applications
- 42
- Assignees
- 43
- Inventors
- 134
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 4 |
| 2018 | 1 | 6 |
| 2019 | 5 | 3 |
| 2020 | 5 | 2 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chemical synthesis of boehmite3 Jun 2025US 12,319,586 B2Iran University of Science and Technology
- Method for treating an industrial effluent charged with aluminium using CO220 May 2025US 12,304,828 B2L'Air Liquide, Société Anonyme pour l'Etude et Georges Claude
- Method of producing an alumina dispersible at a pH greater than 823 Apr 2024US 11,965,245 B2
- Method for producing an adsorbent material and method for extracting lithium from saline solutions using the material24 Jan 2023US 11,559,783 B2Eramet
- Method of producing an alumina dispersible at a pH greater than 829 Nov 2022US 11,512,004 B2
- Mesoporous Pseudo-boehmite Rich in Surface Hydroxyl Groups, Catalytic Cracking Catalyst Containing the Pseudo-boehmite, and Preparation and Application Thereof15 Jan 2026US 2026/0015249 A1China Petroleum & Chemical Corporation
- Pseudo-boehmite and its preparation method, and a catalytic cracking catalyst containing the pseudo-boehmite, and its preparation and application4 Dec 2025US 2025/0368523 A1China Petroleum & Chemical Corporation
- Porous silica-alumina particles and manufacturing method therefor26 Jun 2025US 2025/0206630 A1JGC Catalysts and Chemicals Ltd.
- Method for the production of aluminium hydroxide from bauxite20 Mar 2025US 2025/0091891 A1
- Method of Producing an Alumina Dispersible at a pH Greater Than 81 Jun 2023US 2023/0166977 A1Sasol (USA) Corporation
Most cited
By later US patents
- Crystalline lithium aluminates62US 4,348,296 AThe Dow Chemical Company · 1982
- Process for the production of alumina36US 4,019,978 ALaporte Industries Limited · 1977
- Method of treating spent potliner material from aluminum reduction cells32US 5,723,097 AGoldendale Aluminum Company · 1998
- Preparation of ultrapure boehmites and/or pseudo-boehmites25US 4,492,682 ARhone-Poulenc Specialites Chimiques · 1985
- Spheroidal alumina particulates having bifold porosity and process for their preparation22US 4,315,839 ARhone-Poulenc Industries · 1982