Hydrogenation catalyst for aromatic hydrocarbon and hydrotreatment method using the catalyst
US-2017369793-A1 · Dec 28, 2017 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01G23/04 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 250 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 27 |
| 2016 | 26 |
| 2017 | 18 |
| 2018 | 16 |
| 2019 | 34 |
| 2020 | 27 |
| 2021 | 16 |
| 2022 | 32 |
| 2023 | 18 |
| 2024 | 18 |
| 2025 | 15 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Negative electrode active material and method of producing the same, nonaqueous electrolyte battery, and battery pack
US-2017365846-A1 · Dec 21, 2017 · US
Method for improving quality of titanium-containing feedstock
US-9803261-B2 · Oct 31, 2017 · US
Chiral nematic nanocrystalline metal oxides
US-9758386-B2 · Sep 12, 2017 · US
Metal suboxide and methods of preparing same
US-9643158-B2 · May 9, 2017 · US
Phosphors
US-2017051201-A1 · Feb 23, 2017 · US
Method for producing nonatitanate of alkali metal
US-2017007983-A1 · Jan 12, 2017 · US
Mesoporous metal oxide microsphere electrode compositions and their methods of making
US-9515318-B2 · Dec 6, 2016 · US
Titanate compound, alkali metal titanate compound and method for producing same, and power storage device using titanate compound and alkali metal titanate compound as active material
US-2016344025-A1 · Nov 24, 2016 · US
Photocatalyst, preparation method thereof, and photocatalyst apparatus
US-9480972-B2 · Nov 1, 2016 · US
Method for preparing uniform metal oxide nanoparticles with high reproducibility
US-2016297687-A1 · Oct 13, 2016 · US
Method for manufacturing microparticulate anatase or rutile titanium oxide dispersion and component having photocatalytic thin film on surface
US-9463436-B2 · Oct 11, 2016 · US
Solid-electrolyte precursor, manufacturing method therefor, method for manufacturing solid electrolyte, and method for manufacturing solid-electrolyte/electrode-active-material complex
US-2016293947-A1 · Oct 6, 2016 · US
Gap composition of multi layered power inductor and multi layered power inductor including gap layer using the same
US-9460837-B2 · Oct 4, 2016 · US
Lithium titanium oxide, method of preparing the same, negative electrode including the same, and lithium battery including the negative electrode
US-9455443-B2 · Sep 27, 2016 · US
Method For Producing High-Purity Electrode Materials
US-2016268593-A1 · Sep 15, 2016 · US
Heat storage/dissipation material and heat storage/dissipation system
US-2016237331-A1 · Aug 18, 2016 · US
Titanium oxide structure and porous titanium oxide composition
US-9409790-B2 · Aug 9, 2016 · US
Elongated titanate nanotube, its synthesis method, and its use
US-2016207789-A1 · Jul 21, 2016 · US
Alkali metal titanium oxide having anisotropic structure, titanium oxide, electrode active material containing said oxides, and electricity storage device
US-2016190574-A1 · Jun 30, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01G23/04?
- CPC C01G23/04 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01G23/04 (Chemistry & Metallurgy)?
- Our database includes 250 publications tagged with this CPC code.
- Is patent activity under CPC C01G23/04 growing?
- Publication counts under this code: 18 in 2024 vs 15 in 2025 (latest complete years).