C01D 1/32
By absorption or precipitation
Official title: by absorption or precipitation
C01D1/32 (By absorption or precipitation) appears on 18 US grants and 15 published applications in this corpus.
Search patents in C01D- Granted patents
- 18
- Published applications
- 15
- Assignees
- 29
- Inventors
- 71
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 2 |
| 2025 | 2 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for recovering and purifying lithium11 Aug 2026US 12,703,896 B2Fortum Battery Recycling Oy
- Method and system for preparing battery grade and high purity grade lithium hydroxide and lithium carbonate from high-impurity lithium sources11 Nov 2025US 12,466,739 B2Coli Tech Pte. Ltd.
- Process to recover alkali from a metal oxide/hydroxide containing material22 Jul 2025US 12,365,962 B2FPInnovations
- Method and system for preparing battery grade and high purity grade lithium hydroxide and lithium carbonate from high-impurity lithium sources24 Aug 2021US 11,097,954 B2Chengdu Chemphys Chemical Industry Co., Ltd
- Method for purifying aqueous alkaline solution13 Mar 2012US 8,133,459 B2Asahi Kasei Chemicals Corporation
- Method for manufacturing lithium hydroxide20 Aug 2026US 2026/0242229 A1Idemitsu Kosan Co., Ltd.
- Method for manufacturing lithium hydroxide6 Aug 2026US 2026/0225905 A1Kemco
- Movable device for extracting lithium salts from brine of salt lakes15 May 2025US 2025/0153106 A1Xi'an Lanshen New Material Technology Co., Ltd.
- Method of direct lithium hydroxide production from lithium-ion battery waste15 May 2025US 2025/0154017 A1Sem AB
- Method for recovering metals from lithium ion battery waste6 Feb 2025US 2025/0043386 A1JX Metals Corporation
Most cited
By later US patents
- Electrodialysis water splitting process30US 6,482,305 B1Archer Daniels Midland Company · 2002
- Process for the purification of solutions containing a sodium or potassium carbonate, sulphate, and possibly hydroxide, and at least one of the metals vanadium, uranium and molybdenum10US 4,451,439 APechiney · 1984
- Composite ion exchange resins having low residual amounts of quaternary ammonium cation6US 4,150,205 AThe Dow Chemical Company · 1979
- Process for the extraction of arsenic from aqueous solutions containing alkali metal carbonate, sulfate and hydroxide or hydrogen carbonate and at least on metal including vanadium, uranium and molybdenum6US 4,485,075 AUranium Pechiney Ugine Kuhlmann · 1984
- Removal of contaminants from strongly alkaline solution5US 4,289,629 AJ. M. Huber Corporation · 1981