Cerium oxide nanoparticle, dispersion body, oxidant, antioxidant, and method of producing cerium oxide nanoparticle
US-12291461-B2 · May 6, 2025 · US
containing {two or more of} boron, silicon, phosphorus, selenium, tellurium or a metal
containing {two or more of} boron, silicon, phosphorus, selenium, tellurium or a metal · 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 | C09K15/32 |
| Official title | containing {two or more of} boron, silicon, phosphorus, selenium, tellurium or a metal |
| Display label | containing {two or more of} boron, silicon, phosphorus, selenium, tellurium or a metal |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Phosphite composition
US-2024262850-A1 · Aug 8, 2024 · US
Method of producing antioxidant with improved antioxidant ability and dispersion property for membrane-electrode assembly
US-11984628-B2 · May 14, 2024 · US
Cerium oxide nanoparticle, dispersion body, oxidant, antioxidant, and method of producing cerium oxide nanoparticle
US-2023030648-A1 · Feb 2, 2023 · US
Method of producing antioxidant with improved antioxidant ability and dispersion property for membrane-electrode assembly
US-2022416281-A1 · Dec 29, 2022 · US
Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby
US-11332667-B2 · May 17, 2022 · US
Surface protection composition and terminal fitted electric wire
US-11306250-B2 · Apr 19, 2022 · US
Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby
US-2021261862-A1 · Aug 26, 2021 · US
Substituted benzotriazole phenolate salts and antioxidant compositions formed therefrom
US-11078419-B2 · Aug 3, 2021 · US
Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby
US-11028322-B2 · Jun 8, 2021 · US
Surface protection composition and terminal fitted electric wire
US-2020403327-A1 · Dec 24, 2020 · US
Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby
US-2020270521-A1 · Aug 27, 2020 · US
Substituted benzotriazole phenolate salts and antioxidant compositions formed therefrom
US-2020172809-A1 · Jun 4, 2020 · US
Substituted benzotriazole phenolate salts and antioxidant compositions formed therefrom
US-10669481-B2 · Jun 2, 2020 · US
Hydrophosphorylated polycarboxylic acids and their synergistic combinations as corrosion and scale inhibitors
US-2019177616-A1 · Jun 13, 2019 · US
Method for preventing corrosion of surface of aluminum-based member
US-2019078216-A1 · Mar 14, 2019 · US
Phosphorous acid compound, method for producing said compound, and use of said compound
US-10150857-B2 · Dec 11, 2018 · US
Substituted benzotriazole phenolate salts and antioxidant compositions formed therefrom
US-2018195000-A1 · Jul 12, 2018 · US
Phosphite compound, method for producing the same and uses thereof
US-9902747-B2 · Feb 27, 2018 · US
Phosphorous acid compound, method for producing said compound, and use of said compound
US-2018016417-A1 · Jan 18, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K15/32?
- CPC C09K15/32 is the Cooperative Patent Classification code for “containing {two or more of} boron, silicon, phosphorus, selenium, tellurium or a metal.”
- How many patents are filed under CPC C09K15/32 (containing {two or more of} boron, silicon, phosphorus, selenium, tellurium or a metal)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C09K15/32 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).