C01D 3/06
Preparation by working up brines
Official title: Preparation by working up brines; seawater or spent lyes
C01D3/06 (Preparation by working up brines) appears on 119 US grants and 135 published applications in this corpus.
Search patents in C01D- Granted patents
- 119
- Published applications
- 135
- Assignees
- 111
- Inventors
- 361
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 4 |
| 2004 | 1 | 1 |
| 2005 | 3 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 8 |
| 2012 | 3 | 4 |
| 2013 | 4 | 9 |
| 2014 | 6 | 4 |
| 2015 | 4 | 9 |
| 2016 | 5 | 11 |
| 2017 | 5 | 5 |
| 2018 | 4 | 3 |
| 2019 | 3 | 4 |
| 2020 | 3 | 7 |
| 2021 | 7 | 10 |
| 2022 | 1 | 7 |
| 2023 | 5 | 11 |
| 2024 | 4 | 10 |
| 2025 | 10 | 5 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Seawater desalination system and resourcezation system30 Jun 2026US 12,668,514 B2Zibo Gerui Water Treatment Engineering Co., Ltd.
- Method for separating iron element in brine and application thereof26 May 2026US 12,637,360 B2BYD Company Limited
- Methods for extracting lithium from brines14 Apr 2026US 12,600,642 B2Saudi Arabian Oil Company
- Processes for recovering lithium values from lithium-containing brines10 Mar 2026US 12,570,537 B2Albemarle Corporation
- Method and system for extraction of minerals based on divalent cations from brine7 Oct 2025US 12,434,192 B2Saudi Water Authority
- Process for recovery of lithium from brine3 Sep 2026US 2026/0257931 A1Aquatech International Corporation
- Processes for recovering lithium values from lithium-containing brines2 Jul 2026US 2026/0184583 A1Albemarle Corporation
- Mineral recovery from concentrated brines30 Apr 2026US 2026/0115628 A1The Texas A&M University System
- Method and system for extraction of minerals based on divalent cations from brine8 Jan 2026US 2026/0008014 A1Saudi Water Authority
- Production of lithium chemicals and metallic lithium8 Jan 2026US 2026/0008682 A1Icsip Pty Ltd
Most cited
By later US patents
- Water desalination process and apparatus67US 7,459,088 B2University of South Carolina · 2008
- Recovery of common salt and marine chemicals from brine44US 6,776,972 B2Council of Scientific and Industrial Research · 2004
- Method and apparatus for desalinating sea water, natural salt and fresh water41US 6,500,216 B12002
- Method of manufacturing table salt29US 4,334,886 A1982
- Salt plant evaporation28US 5,366,514 ATexas Brine Corporation · 1994