C01G 37/00
Compounds of chromium
C01G37/00 (Compounds of chromium) appears on 383 US grants and 237 published applications in this corpus.
Search patents in C01G- Granted patents
- 383
- Published applications
- 237
- Assignees
- 275
- Inventors
- 970
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 14 | 0 |
| 1978 | 10 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 10 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 10 | 0 |
| 1987 | 12 | 0 |
| 1988 | 11 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 7 |
| 2003 | 5 | 5 |
| 2004 | 7 | 8 |
| 2005 | 4 | 7 |
| 2006 | 5 | 6 |
| 2007 | 6 | 8 |
| 2008 | 0 | 12 |
| 2009 | 4 | 5 |
| 2010 | 6 | 9 |
| 2011 | 7 | 12 |
| 2012 | 7 | 12 |
| 2013 | 10 | 11 |
| 2014 | 8 | 12 |
| 2015 | 7 | 9 |
| 2016 | 8 | 10 |
| 2017 | 9 | 9 |
| 2018 | 6 | 11 |
| 2019 | 7 | 7 |
| 2020 | 12 | 13 |
| 2021 | 7 | 7 |
| 2022 | 8 | 11 |
| 2023 | 8 | 13 |
| 2024 | 8 | 7 |
| 2025 | 9 | 19 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C01G 37/02Oxides or hydrates thereof124
- C01G 37/006Compounds containing chromium, with or without oxygen or hydrogen, and containing two101
- C01G 37/14Chromates68
- C01G 37/003Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange30
- C01G 37/04Chromium halides10
- C01G 37/08Chromium sulfates8
Recent patents
- Method for microorganism growth inhibition9 Jun 2026US 12,649,669 B2Imam Abdulrahman Bin Faisal University
- Li/Na-ion battery anode materials9 Jun 2026US 12,651,745 B2Echion Technologies Limited
- Active electrode material2 Jun 2026US 12,646,710 B2Echion Technologies Limited
- Cation-disordered rocksalt type high entropy cathode with reduced short-range order for Li-ion batteries7 Apr 2026US 12,597,608 B2The Regents of the University of California
- Doped titanium niobate and battery24 Feb 2026US 12,559,430 B2Industrial Technology Research Institute
- Nano metal oxides, preparation method therefor, and use therefor20 Aug 2026US 2026/0242238 A1
- Lithium-containing oxide, electrode, and battery7 May 2026US 2026/0125275 A1Kyoto University
- Cold storage material, refrigerator, device incorporating superconducting coil, and method of manufacturing cold storage material26 Feb 2026US 2026/0055308 A1Kabushiki Kaisha Toshiba
- Conductive paste19 Feb 2026US 2026/0051439 A1Murata Manufacturing Co., Ltd.
- Methods of making a fe-cr electrolyte and redox flow battery systems using the electrolyte19 Feb 2026US 2026/0051524 A1Cougar Creek Technologies, LLC
Most cited
By later US patents
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions202US 5,306,411 AThe Standard Oil Company · 1994
- Electroactive material for secondary batteries and methods of preparation146US 6,599,662 B1Massachusetts Institute of Technology · 2003
- 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
- Process for preparing mixed metal oxides86US 4,567,031 ACombustion Engineering, Inc. · 1986
- Removal of heavy metals from waste water61US 4,731,187 AMiyoshi Yushi Kabushiki Kaisha · 1988