Positive electrode active material for sodium ion battery, method for preparing positive electrode active material for sodium ion battery
US-2024313207-A1 · Sep 19, 2024 · US
Oxides or hydrates thereof
Oxides or hydrates thereof · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01G37/02 |
| Official title | Oxides or hydrates thereof |
| Display label | Oxides or hydrates thereof |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 10 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Trimetallic layered double hydroxide composition
US-11913125-B2 · Feb 27, 2024 · US
Process for preparing an iron-chromium catalyst with a platinum promoter, and catalyst consisting of iron chromium with a platinum promoter
US-11241683-B2 · Feb 8, 2022 · US
Trimetallic layered double hydroxide composition
US-2022002887-A1 · Jan 6, 2022 · US
Highly active multimetallic materials using short-chain alkyl quaternary ammonium compounds
US-11078088-B2 · Aug 3, 2021 · US
Highly active quaternary metallic materials using short-chain alkyl quaternary ammonium compounds
US-11034591-B2 · Jun 15, 2021 · US
Interfacial bonding oxides for glass-ceramic-to-metal seals
US-10843964-B2 · Nov 24, 2020 · US
Water-Gas Shift Catalyst
US-2020354215-A1 · Nov 12, 2020 · US
Highly active trimetallic materials using short-chain alkyl quaternary ammonium compounds
US-10822247-B2 · Nov 3, 2020 · US
Water-gas shift catalyst
US-10807866-B2 · Oct 20, 2020 · US
Detoxification treatment method for extracting and recycling chromium from hexavalent chromium-containing residues
US-10619225-B2 · Apr 14, 2020 · US
Magnetic material and electronic component
US-10622129-B2 · Apr 14, 2020 · US
Interfacial bonding oxides for glass-ceramic-to-metal seals
US-2020109085-A1 · Apr 9, 2020 · US
Mesoporous materials and processes for preparation thereof
US-10576462-B2 · Mar 3, 2020 · US
Treatment method for resource recycling of hexavalent chromium-containing residues
US-10569315-B2 · Feb 25, 2020 · US
Interfacial bonding oxides for glass-ceramic-to-metal seals
US-10562815-B1 · Feb 18, 2020 · US
Treatment Method for Resource Recycling of Hexavalent Chromium-Containing Residues
US-2019284661-A1 · Sep 19, 2019 · US
Detoxification treatment method for extracting and recycling chromium from hexavalent chromium-containing residues
US-2019194777-A1 · Jun 27, 2019 · US
Highly active quaternary metallic materials using short-chain alkyl quaternary ammonium compounds
US-2019185344-A1 · Jun 20, 2019 · US
Highly active trimetallic materials using short-chain alkyl quaternary ammonium compounds
US-2019185343-A1 · Jun 20, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01G37/02?
- CPC C01G37/02 is the Cooperative Patent Classification code for “Oxides or hydrates thereof.”
- How many patents are filed under CPC C01G37/02 (Oxides or hydrates thereof)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C01G37/02 growing?
- Publication counts under this code: 2 in 2022 vs 2 in 2024 (latest complete years).