C04B 2235/3241
Chromium oxides, chromates, or oxide-forming salts thereof
C04B2235/3241 (Chromium oxides, chromates, or oxide-forming salts thereof) appears on 852 US grants and 1,005 published applications in this corpus.
Search patents in C04B- Granted patents
- 852
- Published applications
- 1,005
- Assignees
- 418
- Inventors
- 2,151
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 3 |
| 2002 | 5 | 21 |
| 2003 | 28 | 50 |
| 2004 | 26 | 44 |
| 2005 | 23 | 28 |
| 2006 | 21 | 38 |
| 2007 | 24 | 54 |
| 2008 | 29 | 37 |
| 2009 | 28 | 44 |
| 2010 | 36 | 49 |
| 2011 | 32 | 48 |
| 2012 | 31 | 58 |
| 2013 | 41 | 43 |
| 2014 | 39 | 35 |
| 2015 | 42 | 36 |
| 2016 | 36 | 41 |
| 2017 | 29 | 42 |
| 2018 | 44 | 26 |
| 2019 | 33 | 46 |
| 2020 | 30 | 38 |
| 2021 | 30 | 42 |
| 2022 | 28 | 45 |
| 2023 | 45 | 48 |
| 2024 | 22 | 42 |
| 2025 | 36 | 33 |
| 2026 | 16 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mechanical part with a nanostructured TiO2—CR2O3 ceramic coating and method for depositing a nanostructured TiO2—CR2O3 ceramic coating on a substrate21 Jul 2026US 12,686,640 B2Velan Inc.
- Methods and systems for measurement of nonthermal far infrared radiation28 Apr 2026US 12,613,140 B2
- Zirconia powder, zirconia sintered body, and method for producing zirconia sintered body21 Apr 2026US 12,606,489 B2Daiichi Kigenso Kagaku Kogyo Co., Ltd.
- Gradient composition zirconia dental materials7 Apr 2026US 12,594,223 B2Ivoclar Vivadent AG
- Zirconia pre-sintered body suitable for dental use31 Mar 2026US 12,590,036 B2Kuraray Noritake Dental Inc.
- Multi-doped garnet electrolytes27 Aug 2026US 2026/0253946 A1Ion Storage Systems, Inc.
- Alumina granule30 Jul 2026US 2026/0217608 A1Sumitomo Chemical Company, Limited
- Method for producing a ceramic component9 Jul 2026US 2026/0192490 A1Manufacture D'Horlogerie Audemars Piguet SA
- Dielectric composition with high-temperature stability9 Jul 2026US 2026/0193137 A1Amotech Co., Ltd.
- Dielectric composition with high-temperature stability and stacked ceramic capacitor comprising same9 Jul 2026US 2026/0196412 A1Amotech Co., Ltd.
Most cited
By later US patents
- Materials and products using nanostructured non-stoichiometric substances226US 6,344,271 B12002
- Nanotechnology for biomedical products224US 6,572,672 B2NanoProducts Corporation · 2003
- Al2O3-Y2O3-ZrO2/HfO2 materials, and methods of making and using the same131US 7,507,268 B23M Innovative Properties Company · 2009
- Non-spherical nanopowder derived nanocomposites126US 6,916,872 B2NanoProducts Corporation · 2005
- Dental restorations using nanocrystalline materials and methods of manufacture123US 7,655,586 B1Pentron Ceramics, Inc. · 2010