C01G 39/02
Oxides
Official title: Oxides; Hydroxides
C01G39/02 (Oxides) appears on 169 US grants and 157 published applications in this corpus.
Search patents in C01G- Granted patents
- 169
- Published applications
- 157
- Assignees
- 142
- Inventors
- 535
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 5 |
| 2003 | 2 | 4 |
| 2004 | 3 | 4 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 1 |
| 2008 | 2 | 6 |
| 2009 | 2 | 12 |
| 2010 | 7 | 6 |
| 2011 | 2 | 6 |
| 2012 | 1 | 6 |
| 2013 | 5 | 9 |
| 2014 | 6 | 6 |
| 2015 | 8 | 11 |
| 2016 | 9 | 7 |
| 2017 | 7 | 5 |
| 2018 | 7 | 9 |
| 2019 | 4 | 5 |
| 2020 | 6 | 10 |
| 2021 | 7 | 6 |
| 2022 | 9 | 10 |
| 2023 | 4 | 6 |
| 2024 | 6 | 6 |
| 2025 | 6 | 4 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Niobium oxide particles and method for producing niobium oxide particles15 Sep 2026US 12,735,328 B2DIC Corporation
- Fluorite-based material thin film and semiconductor device comprising the same5 May 2026US 12,617,695 B2Samsung Electronics Co., Ltd.
- Metals recovery from spent supported catalyst17 Mar 2026US 12,577,125 B2Chevron U.S.A.Inc.
- Molybdenum trioxide powder and method for producing same16 Dec 2025US 12,497,303 B2DIC Corporation
- Methods for the purification of molybdenum-99 with phase transfer agents14 Oct 2025US 12,441,626 B2Abilene Christian University
- Rhenium Remediation in the Preparation of Molybdenum-9924 Sep 2026US 2026/0286468 A1Output Enablers LLC, d/b/a Calchemist
- Fluorite-based material thin film and semiconductor device comprising the same27 Aug 2026US 2026/0250147 A1Samsung Electronics Co., Ltd.
- Nano metal oxides, preparation method therefor, and use therefor20 Aug 2026US 2026/0242238 A1
- Microspheres, lithium ion battery anode comprising same, and method for manufacturing microspheres11 Jun 2026US 2026/0159412 A1Chungbuk National University Industry-Academic Cooperation Foundation
- Method for producing molybdenum trioxide powder28 May 2026US 2026/0145961 A1DIC Corporation
Most cited
By later US patents
- Nanostructured oxides and hydroxides and methods of synthesis therefor70US 6,162,530 AUniversity of Connecticut · 2000
- Process for producing ultrafine particles of ceramics56US 4,642,207 ANational Research Institute for Metals · 1987
- Method for preparation of metal intercalated fullerene-like metal chalcogenides47US 6,217,843 B1Yeda Research and Development Co. Ltd. · 2001
- Methods of synthesis for nanostructured oxides and hydroxides39US 6,517,802 B1Rutgers, The State University of New Jersey · 2003
- Stable acidic and alkaline metal oxide sols33US 4,612,138 ANalco Chemical Company · 1986