C01G 37/033
Chromium trioxide
Official title: Chromium trioxide; Chromic acid
C01G37/033 (Chromium trioxide) appears on 28 US grants and 21 published applications in this corpus.
Search patents in C01G- Granted patents
- 28
- Published applications
- 21
- Assignees
- 29
- Inventors
- 90
- Latest grant
- 14 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cu—Cr—Zn—O based pigment14 May 2024US 11,981,582 B2Tomatec Co., Ltd.
- Selective emitter for thermophotovoltaic power generator13 Apr 2021US 10,978,988 B2Nippon Steel Corporation
- Mesoporous materials and processes for preparation thereof3 Mar 2020US 10,576,462 B2University of Connecticut
- Preparation method of particle size-controlled, chromium oxide particles or composite particles of iron oxide-chromium alloy and chromium oxide23 Oct 2018US 10,105,685 B2Korea Institute of Energy Research
- Mesoporous materials and processes for preparation thereof14 Aug 2018US 10,046,313 B2University of Connecticut
- Nano metal oxides, preparation method therefor, and use therefor20 Aug 2026US 2026/0242238 A1
- Chiral metal oxide nanostructure, and method for producing same28 Aug 2025US 2025/0270361 A1Ewha University-Industry Collaboration Foundation
- Cu-cr-zn-o based pigment21 Dec 2023US 2023/0406721 A1Tomatec Co., Ltd.
- Reducing agent and method for producing gas11 May 2023US 2023/0146921 A1Sekisui Chemical Co., Ltd.
- Selective emitter for thermophotovoltaic power generator23 Apr 2020US 2020/0127596 A1Nippon Steel & Sumitomo Metal Corporation
Most cited
By later US patents
- Plasma synthesis of lithium based intercalation powders for solid polymer electrolyte batteries99US 6,838,072 B1The United States of America as represented by the United States Department of Energy · 2005
- Method for producing nanostructured metal-oxides21US 6,986,818 B2The Regents of the University of California · 2006
- Molecular decomposition processes for the synthesis of nanosize metallic powders6US 7,311,754 B2University of Utah Research Foundation · 2007
- Process for the production of chromium trioxide5US 4,291,000 ABritish Chrome & Chemicals Limited · 1981
- Production of hexavalent chromium for use in chlorate cells5US 4,773,974 ATenneco Canada Inc. · 1988