C01G 55/004
Oxides
Official title: {Oxides; Hydroxides}
C01G55/004 (Oxides) appears on 69 US grants and 98 published applications in this corpus.
Search patents in C01G- Granted patents
- 69
- Published applications
- 98
- Assignees
- 85
- Inventors
- 287
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 2 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 4 |
| 2009 | 1 | 11 |
| 2010 | 2 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 6 |
| 2015 | 1 | 5 |
| 2016 | 4 | 5 |
| 2017 | 4 | 8 |
| 2018 | 5 | 6 |
| 2019 | 3 | 5 |
| 2020 | 8 | 8 |
| 2021 | 6 | 6 |
| 2022 | 2 | 2 |
| 2023 | 3 | 3 |
| 2024 | 4 | 10 |
| 2025 | 2 | 1 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ruthenium oxide and catalyst comprising same31 Mar 2026US 12,589,382 B2Sogang University Research & Business Development Foundation
- Bismuth-substituted rare earth iron garnet single crystal, faraday rotator, optical isolator, and production method for bismuth-substituted rare earth iron garnet single crystal24 Mar 2026US 12,585,146 B2Shin-Etsu Chemical Co., Ltd.
- Method of manufacturing metal nanoparticle-oxide support complex structure based gas sensor10 Mar 2026US 12,571,786 B2Korea Advanced Institute of Science and Technology
- Method for manufacturing two-dimensional nanosheets2 Sep 2025US 12,404,593 B2Industry-Academic Cooperation Foundation, Yonsei University
- Thin film coating19 Aug 2025US 12,391,577 B2Mdc Global Topco Limited
- Particulate material comprising silver particles which are equipped with ruthenium oxide and are optionally partially oxidized17 Sep 2026US 2026/0274707 A1Heraeus Precious Metals GmbH & Co. KG
- Particulate, water-insoluble inorganic material provided with silver oxide and ruthenium oxide17 Sep 2026US 2026/0274708 A1Heraeus Precious Metals GmbH & Co. KG
- Metal-doped ruthenium oxide nanometer material, and preparation method and use thereof30 Apr 2026US 2026/0117403 A1Qingdao Boliu Innovation Technology Co., Ltd.
- Ruthenium oxide powder, composition for thick film resistor, paste for thick film resistor, and thick film resistor22 Jan 2026US 2026/0022030 A1Sumitomo Metal Mining Co., Ltd.
- Water electrolysis catalyst made from iridium oxide powder, water electrolysis electrode membrane, and membrane with catalyst layer25 Dec 2025US 2025/0389035 A1Tanaka Kikinzoku Kogyo K.K.
Most cited
By later US patents
- Electrode materials from hydrous metal and/or hydrous mixed metal oxides and method of preparing the same22US 5,851,506 AThe United States of America as represented by the Secretary of the Army · 1998
- Counter current mixing reactor21US 7,566,436 B2The University of Nottingham · 2009
- Denitration systems18US 4,444,723 ADoryokuro Kakunenryo Kaihatsu Jigyodan · 1984
- Method for purifying ruthenium and related processes15US 6,458,183 B1Colonial Metals, Inc. · 2002
- Method of obtaining ruthenium tetroxide by oxidation of an aqueous alkali metal ruthenate solution13US 5,248,496 ABASF SE · 1993