C01G 45/024
Manganese dioxide
C01G45/024 (Manganese dioxide) appears on 177 US grants and 161 published applications in this corpus.
Search patents in C01G- Granted patents
- 177
- Published applications
- 161
- Assignees
- 158
- Inventors
- 530
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 3 |
| 2002 | 5 | 2 |
| 2003 | 7 | 7 |
| 2004 | 4 | 7 |
| 2005 | 3 | 3 |
| 2006 | 3 | 3 |
| 2007 | 0 | 2 |
| 2008 | 2 | 4 |
| 2009 | 2 | 4 |
| 2010 | 1 | 5 |
| 2011 | 2 | 11 |
| 2012 | 5 | 4 |
| 2013 | 6 | 7 |
| 2014 | 7 | 4 |
| 2015 | 5 | 10 |
| 2016 | 4 | 6 |
| 2017 | 6 | 9 |
| 2018 | 8 | 7 |
| 2019 | 6 | 10 |
| 2020 | 8 | 10 |
| 2021 | 2 | 12 |
| 2022 | 11 | 3 |
| 2023 | 4 | 5 |
| 2024 | 9 | 7 |
| 2025 | 5 | 7 |
| 2026 | 1 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Positive electrode materials of low-cost alkaline secondary batteries and preparation methods and applications thereof20 Jan 2026US 12,528,712 B2Chaowei Power Group Co., Ltd.
- Manufacturing a nanocomposite25 Nov 2025US 12,479,723 B1Imam Mohammad Ibn Saud Islamic University
- Electrolytic manganese dioxide, method for manufacturing same, and use thereof21 Oct 2025US 12,448,300 B2Tosoh Corporation
- Rechargeable battery and catalyst materials and the means of production thereof27 May 2025US 12,315,907 B2Calix, Inc.
- Composite catalyst for positive electrode of aqueous rechargeable battery, method for preparing the composite catalyst, positive electrode for aqueous rechargeable battery including the composite catalyst and aqueous rechargeable battery including the positive electrode22 Apr 2025US 12,283,666 B2Korea Institute of Science and Technology
- Method for the recovery of metals from e-waste10 Sep 2026US 2026/0265859 A1Renewable Metals Pty Ltd
- Method for processing manganese containing material3 Sep 2026US 2026/0257935 A1Fortum Oyj
- Method for producing lithium-containing solution13 Aug 2026US 2026/0234748 A1Sumitomo Metal Mining Co., Ltd.
- Surface Coatings for Enhanced Substrate Properties30 Jul 2026US 2026/0217554 A1Temple University of the Commonwealth System of Higher Education
- Method for producing lithium-containing solution25 Jun 2026US 2026/0175197 A1Sumitomo Metal Mining Co., Ltd.
Most cited
By later US patents
- MnO.sub.2 derived from LiMn.sub.2 O.sub.4106US 4,246,253 AUnion Carbide Corporation · 1981
- Nanostructured oxides and hydroxides and methods of synthesis therefor70US 6,162,530 AUniversity of Connecticut · 2000
- Cathode active materials, methods of making same and electrochemical cells incorporating the same69US 4,959,282 AMoli Energy Limited · 1990
- Method of manufacture of nanostructured feeds67US 6,025,034 AThe State University of New Jersey · 2000
- MnO.sub.2 Derived from LiMn.sub.2 O.sub.463US 4,312,930 AUnion Carbide Corporation · 1982