C01P 2002/32
Spinel-type
Official title: spinel-type (AB2O4)
C01P2002/32 (Spinel-type) appears on 630 US grants and 602 published applications in this corpus.
Search patents in C01P- Granted patents
- 630
- Published applications
- 602
- Assignees
- 408
- Inventors
- 1,730
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 13 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 13 | 0 |
| 1997 | 18 | 0 |
| 1998 | 28 | 0 |
| 1999 | 15 | 0 |
| 2000 | 19 | 0 |
| 2001 | 19 | 8 |
| 2002 | 21 | 22 |
| 2003 | 18 | 20 |
| 2004 | 15 | 8 |
| 2005 | 11 | 13 |
| 2006 | 13 | 21 |
| 2007 | 6 | 12 |
| 2008 | 9 | 9 |
| 2009 | 12 | 22 |
| 2010 | 12 | 24 |
| 2011 | 7 | 27 |
| 2012 | 14 | 28 |
| 2013 | 22 | 25 |
| 2014 | 11 | 29 |
| 2015 | 21 | 35 |
| 2016 | 24 | 23 |
| 2017 | 18 | 20 |
| 2018 | 19 | 36 |
| 2019 | 32 | 22 |
| 2020 | 25 | 40 |
| 2021 | 20 | 30 |
| 2022 | 13 | 26 |
| 2023 | 24 | 28 |
| 2024 | 16 | 31 |
| 2025 | 20 | 30 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of making a spinel cathode active material from a mixed metal composition, and a cathode active material made from the same25 Aug 2026US 12,715,782 B2Redwood Materials, Inc.
- Lithium nickel manganese-containing composite oxide, method for preparation thereof, positive electrode plate, secondary battery and electrical device14 Jul 2026US 12,679,730 B2Contemporary Amperex Technology (Hong Kong) Limited
- Method for the manufacture of cathode materials7 Jul 2026US 12,673,869 B2Sylvatex, Inc.
- Composite cathode active material, cathode and lithium battery including the same, and method of preparing the composite cathode active material16 Jun 2026US 12,658,437 B2Samsung Electronics Co., Ltd.
- Method for microorganism growth inhibition9 Jun 2026US 12,649,669 B2Imam Abdulrahman Bin Faisal University
- Cathode active material having spinel structure1 Oct 2026US 2026/0302201 A1Topsoe Battery Materials A/S
- Disordered Bi-Element Substitution for Cathode Materials17 Sep 2026US 2026/0279783 A1Nissan North America, Inc.
- Cathode active material and method for manufacturing same10 Sep 2026US 2026/0265078 A1Industry-University Cooperation Foundation Hanyang University Erica Campus
- Mixed ferrite nanoparticles and uses thereof27 Aug 2026US 2026/0250149 A1Institut National De La Recherche Scientifique
- Positive electrode active material and preparation method therefor, positive electrode sheet, secondary battery, and electric device20 Aug 2026US 2026/0245893 A1Contemporary Amperex Technology Co., Limited
Most cited
By later US patents
- Abrasive grits formed of ceramic, impregnation method of making the same and products made therewith176US 5,312,789 AMinnesota Mining and Manufacturing Company · 1994
- Electroactive material for secondary batteries and methods of preparation146US 6,599,662 B1Massachusetts Institute of Technology · 2003
- Combustion of emulsions: A method and process for producing fine powders120US 5,984,997 ANanomaterials Research Corporation · 1999
- Separation of carbon dioxide (CO2) from gas mixtures120US 7,618,606 B2The Ohio State University · 2009
- Abrasive grits formed by ceramic impregnation method of making the same, and products made therewith117US 5,164,348 AMinnesota Mining and Manufacturing Company · 1992