C01B 17/38
Dehydration
C01B17/38 (Dehydration) appears on 11 US grants and 14 published applications in this corpus.
Search patents in C01B- Granted patents
- 11
- Published applications
- 14
- Assignees
- 11
- Inventors
- 48
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 4 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing high-purity lithium sulfide by using industrial-grade butyllithium17 Mar 2026US 12,577,102 B2Jiangxi Ganfeng Lithium Industry Co., Ltd.
- Method for producing solid electrolyte11 Apr 2023US 11,623,864 B2Idemitsu Kosan Co., Ltd.
- Highly reactive, dust-free and free-flowing lithium sulphide and method for the production thereof3 Jan 2023US 11,542,162 B2Albemarle Germany GmbH
- Method for producing sulfide solid electrolyte material that allows a concentration of lithium halide to increase and that allows drying at a low temperature14 Jan 2020US 10,532,928 B2Toyota Jidosha Kabushiki Kaisha
- Spray drying process for producing anhydrous alkali sulfide14 Mar 2006US 7,011,806 B2Degussa AG
- Lithium sulfide powder and method of manufacturing same23 Jul 2026US 2026/0213256 A1Posco Holdings Inc.
- Method for producing lithium sulfide16 Jul 2026US 2026/0200733 A1Solid Ionics Co., Ltd
- Hydrogen sulfide purification method, lithium sulfide production method, hydrogen sulfide purification device, and lithium sulfide production device15 Aug 2024US 2024/0270575 A1AGC Inc.
- Method for preparing high-purity lithium sulfide by using industrial-grade butyllithium16 Nov 2023US 2023/0365408 A1Jiangxi Ganfeng Lithium Industry Co., Ltd.
- Lithium sulfide production method18 May 2023US 2023/0150818 A1Solid Power Operating, Inc.
Most cited
By later US patents
- Process for the production of bis (silyorganyl) polysulphanes35US 5,859,275 ADegussa AG · 1999
- Method for the production of anhydrous alkali metal sulfide and alkali metal sulfide solution20US 6,337,062 B12002
- Process for preparing crystals of anhydrous sodium sulfide3US 5,173,088 ASankyo Kasei Kabushiki Kaisha · 1992
- Process for preparing crystals of anhydrous sodium sulfide1US 5,071,632 ASankyo Kasei Kabushiki Kaisha · 1991
- Process for the preparation of anhydrous sodium sulfide1US 6,503,474 B1Degussa AG · 2003