C01D 3/04
Chlorides
C01D3/04 (Chlorides) appears on 304 US grants and 313 published applications in this corpus.
Search patents in C01D- Granted patents
- 304
- Published applications
- 313
- Assignees
- 264
- Inventors
- 893
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 5 | 2 |
| 2003 | 4 | 12 |
| 2004 | 3 | 3 |
| 2005 | 3 | 10 |
| 2006 | 3 | 4 |
| 2007 | 7 | 5 |
| 2008 | 1 | 9 |
| 2009 | 5 | 8 |
| 2010 | 5 | 9 |
| 2011 | 6 | 18 |
| 2012 | 12 | 15 |
| 2013 | 12 | 17 |
| 2014 | 12 | 10 |
| 2015 | 7 | 17 |
| 2016 | 13 | 19 |
| 2017 | 9 | 13 |
| 2018 | 9 | 7 |
| 2019 | 8 | 14 |
| 2020 | 7 | 16 |
| 2021 | 15 | 23 |
| 2022 | 7 | 13 |
| 2023 | 13 | 22 |
| 2024 | 9 | 19 |
| 2025 | 15 | 15 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High-performance sodium ion electrolytes and efficient methods for making the same15 Sep 2026US 12,735,326 B2The Florida State University Research Foundation, Inc.
- Particulate laundry softening and freshening wash additive comprising perfume particles and softening particles28 Jul 2026US 12,692,458 B2The Procter & Gamble Company
- 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 removing potassium, rubidium, and cesium, selectively or in combination, from brines and resulting compositions thereof12 May 2026US 12,623,911 B2Terralithium LLC
- 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
- Method for rapid synthesis of metal sulfides11 Jun 2026US 2026/0159401 A1Solid Power Operating, Inc.
- Method for extracting potassium bicarbonate from mineral mixtures14 May 2026US 2026/0132039 A1Kellium Minerals LLC
- Mineral recovery from concentrated brines30 Apr 2026US 2026/0115628 A1The Texas A&M University System
Most cited
By later US patents
- Process for reclaiming cement kiln dust and recovering chemical values therefrom84US 4,031,184 A1977
- Water desalination process and apparatus67US 7,459,088 B2University of South Carolina · 2008
- Recovery of inorganic salt during processing of lignocellulosic feedstocks52US 7,585,652 B2Iogen Energy Corporation · 2009
- 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