C01G 23/04
Oxides
Official title: Oxides; Hydroxides
C01G23/04 (Oxides) appears on 1,357 US grants and 1,617 published applications in this corpus.
Search patents in C01G- Granted patents
- 1,357
- Published applications
- 1,617
- Assignees
- 876
- Inventors
- 3,996
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 15 | 0 |
| 1987 | 11 | 0 |
| 1988 | 6 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 17 | 0 |
| 1992 | 15 | 0 |
| 1993 | 16 | 0 |
| 1994 | 11 | 0 |
| 1995 | 14 | 0 |
| 1996 | 16 | 0 |
| 1997 | 22 | 0 |
| 1998 | 22 | 0 |
| 1999 | 11 | 0 |
| 2000 | 17 | 0 |
| 2001 | 17 | 8 |
| 2002 | 26 | 31 |
| 2003 | 28 | 30 |
| 2004 | 32 | 42 |
| 2005 | 19 | 59 |
| 2006 | 30 | 71 |
| 2007 | 29 | 81 |
| 2008 | 18 | 91 |
| 2009 | 43 | 75 |
| 2010 | 58 | 121 |
| 2011 | 54 | 90 |
| 2012 | 62 | 113 |
| 2013 | 61 | 82 |
| 2014 | 64 | 60 |
| 2015 | 62 | 74 |
| 2016 | 67 | 63 |
| 2017 | 56 | 60 |
| 2018 | 49 | 70 |
| 2019 | 59 | 78 |
| 2020 | 54 | 58 |
| 2021 | 40 | 39 |
| 2022 | 34 | 62 |
| 2023 | 36 | 61 |
| 2024 | 37 | 43 |
| 2025 | 29 | 33 |
| 2026 | 24 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nanoparticles, dispersion of nanoparticles, and production method of nanoparticles6 Oct 2026US 12,753,087 B2Tokyo Ohka Kogyo.Co., Ltd.
- Manufacture of titanium dioxide structures22 Sep 2026US 12,741,882 B2Tiotech AS
- CTAB assisted titania quantum dots at low temperature for opto-chemical sensing1 Sep 2026US 12,723,195 B1King Faisal University
- Three-dimensional printing with metal oxide nanoparticle fusing agents21 Jul 2026US 12,686,782 B2Peridot Print LLC
- Methods and apparatuses for making nanomaterials in space30 Jun 2026US 12,668,496 B2The United States of America as represented by the Secretary of the Air Force
- Dispersion of titanium dioxide fine particles in organic solvent, method for producing same, and use of same8 Oct 2026US 2026/0308008 A1Ishihara Sangyo Kaisha, Ltd.
- Titanium oxide particles, resin composition, and method for producing titanium oxide particles1 Oct 2026US 2026/0296910 A1DIC Corporation
- Titanium oxide particles, resin composition for electronic materials, molded article, component for electronic devices, and method for producing titanium oxide particles1 Oct 2026US 2026/0297293 A1DIC Corporation
- Method and apparatus for inputting thermal energy into a fluid, related apparatus and uses24 Sep 2026US 2026/0287253 A1Coolbrook Oy
- Nanocomposite material comprising bio-sludge or biochar, method for its preparation and application in photocatalytic co2 reduction3 Sep 2026US 2026/0257201 A1United Arab Emirates University
Most cited
By later US patents
- Substrate with a photocatalytic coating based on titanium dioxide and organic dispersions based on titanium dioxide209US 6,362,121 B1Rhodia Chimie · 2002
- Titanium dioxide-based photocatalytic coating substrate, and titanium dioxide-based organic dispersions160US 6,037,289 ASaint-Gobain Vitrage · 2000
- Synthesis and processing of monosized oxide powders142US 4,543,341 AMassachusetts Institute of Technology · 1985
- Method of making nanostructured materials142US 5,460,701 ANanophase Technologies Corporation · 1995
- Transparent non-vitreous ceramic particulate127US 4,564,556 AMinnesota Mining and Manufacturing Company · 1986