C01D 3/16
By precipitation or adsorption
Official title: by precipitation or adsorption {(C01D3/145 takes precedence)}
C01D3/16 (By precipitation or adsorption) appears on 80 US grants and 46 published applications in this corpus.
Search patents in C01D- Granted patents
- 80
- Published applications
- 46
- Assignees
- 61
- Inventors
- 222
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 5 |
| 2004 | 2 | 1 |
| 2005 | 3 | 2 |
| 2006 | 1 | 4 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 1 |
| 2012 | 1 | 3 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 4 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 3 |
| 2022 | 1 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of purifying sodium bromide from waste circuit boards pyrolysis coke27 Jan 2026US 12,534,376 B2Beijing University of Technology
- Process for purifying potassium chloride19 Aug 2025US 12,391,564 B2Klinge Chemicals Ltd.
- Reactor for separation of sodium chloride and potassium chloride from polymineral sources and method thereof23 Jul 2024US 12,043,552 B2Limited Liability Company “Gsm Chemical”
- Industrial waste salt resourceful treatment method and device17 May 2022US 11,332,379 B2Go Higher Environment Group Co., Ltd.
- Renewable magnesium removing agent and its use in preparation of low-magnesium lithium-rich brine23 Nov 2021US 11,180,369 B2Qinghai Institute of Salt Lakes, Chinese Academy of Sciences
- Method and device for simulated moving bed extraction by lithium adsorption11 Jun 2026US 2026/0158416 A1Ifp Energies Nouvelles
- Movable device for extracting lithium salts from brine of salt lakes15 May 2025US 2025/0153106 A1Xi'an Lanshen New Material Technology Co., Ltd.
- Process for producing sodium bromide2 Jan 2025US 2025/0002361 A1Obshchestvo S Ogranichennoi Otvetstvennostiu "Irkutskaia Neftianaia Kompania"
- Method of purifying sodium bromide from waste circuit boards pyrolysis coke10 Nov 2022US 2022/0356067 A1Beijing University of Technology
- Process For Purifying Potassium Chloride18 Aug 2022US 2022/0259058 A1Klinge Chemicals Ltd.
Most cited
By later US patents
- Process for removal of silica from geothermal brine72US 4,016,075 ASouthern Pacific Land Co. · 1977
- Process and apparatus for controlling impurities and pollution from membrane chlor-alkali cells58US 4,242,185 AIonics, Incorporated · 1980
- Process for the purification of electrolysis brine47US 3,970,528 ABayer Aktiengesellschaft · 1976
- Method for separating metal values from brine47US 4,127,989 AUnion Oil Company of California · 1978
- Electrolysis of alkali metal chloride solution with subsequent production of alkali metal carbonates and hypochlorites44US 4,620,969 AImperial Chemical Industries PLC · 1986