C01D 15/02
Oxides
Official title: Oxides; Hydroxides
C01D15/02 (Oxides) appears on 300 US grants and 547 published applications in this corpus.
Search patents in C01D- Granted patents
- 300
- Published applications
- 547
- Assignees
- 260
- Inventors
- 1,139
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 2 | 7 |
| 2011 | 1 | 9 |
| 2012 | 2 | 11 |
| 2013 | 10 | 9 |
| 2014 | 1 | 66 |
| 2015 | 16 | 17 |
| 2016 | 26 | 13 |
| 2017 | 27 | 12 |
| 2018 | 15 | 16 |
| 2019 | 15 | 26 |
| 2020 | 20 | 35 |
| 2021 | 18 | 19 |
| 2022 | 20 | 51 |
| 2023 | 23 | 48 |
| 2024 | 29 | 72 |
| 2025 | 39 | 74 |
| 2026 | 20 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing lithium hydroxide29 Sep 2026US 12,747,162 B2Dongwoo Fine-Chem Co., Ltd.
- Process for preparing lithium salts such as anhydrous lithium hydroxide and anhydrous lithium halides11 Aug 2026US 12,703,639 B2AMG Lithium GmbH
- Process for the preparation of pure lithium oxide28 Jul 2026US 12,692,170 B2Albemarle Germany GmbH
- Classifier for positive electrode active material and method for regenerating lithium precursor by using same2 Jun 2026US 12,643,797 B2SK Innovation Co., Ltd.
- Method for producing metal carbide, method for producing hydrocarbon, and metal carbide composition2 Jun 2026US 12,643,838 B2Daikin Industries, Ltd.
- Systems and methods for lithium extraction from aqueous feedstocks1 Oct 2026US 2026/0295534 A1University of Utah Research Foundation
- High-efficiency method for producing lithium hydroxide from lithium carbonate through process improvement1 Oct 2026US 2026/0296907 A1Korea Institute of Geoscience and Mineral Resources
- Simultaneous production method of lithium hydroxide and sulfuric acid1 Oct 2026US 2026/0296908 A1Posco Holdings Inc.
- Method for producing lithium hydroxide24 Sep 2026US 2026/0285698 A1Jx Metals Circular Solutions Co., Ltd.
- Classifier for positive electrode active material and method for regenerating lithium precursor by using same10 Sep 2026US 2026/0265070 A1SK Innovation Co., Ltd.
Most cited
By later US patents
- Hydrogen generation by hydrolysis of hydrides for undersea vehicle fuel cell energy systems197US 5,372,617 AThe Charles Stark Draper Laboratory, Inc. · 1994
- Process for producing high purity lithium carbonate54US 4,207,297 AFoote Mineral Company · 1980
- Preparation of lithium carbonate from lithium chloride containing brines48US 9,034,294 B1Simbol Inc. · 2015
- Processes for preparing lithium hydroxide48US 9,677,181 B2Nemaska Lithium Inc. · 2017
- Non-crosslinked, amorphous, block copolymer electrolyte for batteries46US 7,026,071 B2Massachusetts Institute of Technology · 2006