C01D 1/38
By dialysis
Official title: by dialysis
C01D1/38 (By dialysis) appears on 21 US grants and 8 published applications in this corpus.
Search patents in C01D- Granted patents
- 21
- Published applications
- 8
- Assignees
- 19
- Inventors
- 51
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- 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
- System and methods for removing minerals from a brine using electrodialysis2 Apr 2019US 10,246,357 B2Enviro Water Minerals Company, Inc.
- Process for producing sodium bicarbonate23 Aug 2016US 9,422,166 B2Solvay (Societe Anonyme)
- Process for the manufacture of alkali metal hydroxide29 Apr 2003US 6,554,990 B1Solvay (Societe Anonyme)
- Lithium recovery through reversible fatty acid precipitation11 Jun 2026US 2026/0159404 A1Uchicago Argonne, LLC
- Movable device for extracting lithium salts from brine of salt lakes15 May 2025US 2025/0153106 A1Xi'an Lanshen New Material Technology Co., Ltd.
- Calcium carbonate generation method and system24 Oct 2024US 2024/0351902 A1Kyushu University, National University Corporation
- Method and System for Preparing Battery Grade and High Purity Grade Lithium Hydroxide and Lithium Carbonate from High-Impurity Lithium Sources21 Oct 2021US 2021/0323833 A1Chengdu Chemphys Chemical Industry Co., Ltd
- Method and System for Preparing Battery Grade and High Purity Grade Lithium Hydroxide and Lithium Carbonate from High-Impurity Lithium Sources10 Dec 2020US 2020/0385280 A1Chengdu Chemphys Chemical Industry Co., Ltd
Most cited
By later US patents
- Electrodialysis water splitting process30US 6,482,305 B1Archer Daniels Midland Company · 2002
- Process for the manufacture of a bipolar membrane and process for the manufacture of an aqueous alkali metal hydroxide solution15US 5,380,413 ASolvay (Societe Anonyme) · 1995
- Recovery of sodium hydroxide and aluminum hydroxide from etching waste13US 5,049,233 AThe Graver Company · 1991
- Process for the manufacture of an aqueous solution of sodium hydroxide9US 5,395,497 ASolvay (Societe Anonyme) · 1995
- Method of separating sodium hydroxide from white liquor or polysulfide liquor using diffusion dialysis9US 5,843,316 AEnso-Gutzeit Oy · 1998