Semiconductor particles used in water-splitting photocatalyst, photocatalyst formed of semiconductor particles, and synthesis method thereof
US-12157110-B2 · Dec 3, 2024 · US
Chromium
Chromium · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J23/6522 |
| Official title | {Chromium} |
| Display label | Chromium |
| Total patents | 63 |
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 | 9 |
| 2016 | 4 |
| 2017 | 8 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 7 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 9 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for operating polyethylene reactor systems
US-2024392119-A1 · Nov 28, 2024 · US
Catalyst for dehydrogenation of light alkanes
US-12134084-B2 · Nov 5, 2024 · US
Methods for operating polyethylene reactor systems
US-12129365-B2 · Oct 29, 2024 · US
Temperature-controlled photocatalytic and other chemical reactions
US-2024342695-A1 · Oct 17, 2024 · US
Single-step catalytic process for the production of alkylated aromatics using co2
US-2024317656-A1 · Sep 26, 2024 · US
Method and equipment for producing hydrogen-enriched gas
US-2024217818-A1 · Jul 4, 2024 · US
Photocatalysts and methods of making and using the same
US-2024149258-A1 · May 9, 2024 · US
Semiconductor particles used in water decomposition photocatalyst, photocatalyst using the same, and methods of synthesizing them
US-2024091755-A1 · Mar 21, 2024 · US
Methods for operating polyethylene reactor systems
US-2023193001-A1 · Jun 22, 2023 · US
Egg shell-type platinum-loaded alumina catalyst, method of producing same, and method of using same
US-2023148027-A1 · May 11, 2023 · US
Semiconductor particles used in water-splitting photocatalyst, photocatalyst formed of semiconductor particles, and synthesis method thereof
US-2023096060-A1 · Mar 30, 2023 · US
Method of manufacturing catalyst ink free of eluted transition metal for fuel cell
US-11539054-B2 · Dec 27, 2022 · US
Preparation of diesters of (meth)acrylic acid from epoxides
US-11319276-B2 · May 3, 2022 · US
Catalyst for dehydrogenation of light alkanes
US-2022111359-A1 · Apr 14, 2022 · US
Catalyst for dehydrogenation of light alkanes
US-11203010-B2 · Dec 21, 2021 · US
Catalyst for producing olefin, and continuous reaction-regeneration olefin producing method using the catalyst
US-11148123-B2 · Oct 19, 2021 · US
Method of manufacturing catalyst ink free of eluted transition metal for fuel cell
US-2021288335-A1 · Sep 16, 2021 · US
Method of preparing a multi-component alloy catalyst
US-11065605-B2 · Jul 20, 2021 · US
Preparation of diesters of (meth)acrylic acid from epoxides
US-2021179531-A1 · Jun 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J23/6522?
- CPC B01J23/6522 is the Cooperative Patent Classification code for “Chromium.”
- How many patents are filed under CPC B01J23/6522 (Chromium)?
- Our database includes 63 publications tagged with this CPC code.
- Is patent activity under CPC B01J23/6522 growing?
- Publication counts under this code: 9 in 2024 vs 2 in 2025 (latest complete years).