Method for preparing a gallium-doped zinc oxide electrode decorated with densely gathered palladium nanoparticles
US-10161052-B2 · Dec 25, 2018 · 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 | C25B3/02 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 122 |
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 | 10 |
| 2016 | 20 |
| 2017 | 15 |
| 2018 | 23 |
| 2019 | 22 |
| 2020 | 27 |
| 2021 | 4 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing amino-functional aromatic compounds
US-2018305830-A1 · Oct 25, 2018 · US
Metal oxide-organic hybrid materials for heterogeneous catalysis and methods of making and using thereof
US-10081650-B2 · Sep 25, 2018 · US
Electrochemical systems and methods using metal halide to form products
US-2018216242-A1 · Aug 2, 2018 · US
Process for producing functionalized polythiophenes
US-2018208713-A1 · Jul 26, 2018 · US
Stabilization of an aqueous solution of an organic iron salt
US-9988574-B2 · Jun 5, 2018 · US
Process for the Purification of a Carboxylic Acid-Containing Composition
US-2018142363-A1 · May 24, 2018 · US
Process for the Preparation of an Aromatic Dicarboxylic Acid
US-2018142362-A1 · May 24, 2018 · US
Method for polysulfide production in a kraft pulp mill
US-2018112355-A1 · Apr 26, 2018 · US
Solid polymer power generation or electrolysis method and system
US-9954239-B2 · Apr 24, 2018 · US
Integrated power generation and carbon capture using fuel cells
US-9941534-B2 · Apr 10, 2018 · US
Electrochemical conversion of hydrocarbons
US-9932679-B2 · Apr 3, 2018 · US
Hydrocarbon oxidation by water oxidation electrocatalysts in non-aqueous solvents
US-2018044804-A1 · Feb 15, 2018 · US
Electrochemical hydroxide systems and methods using metal oxidation
US-2018044267-A1 · Feb 15, 2018 · US
Methods and systems for fuel production in electrochemical cells and reactors
US-9879352-B2 · Jan 30, 2018 · US
Desorbing process, hydrogen-supplying solution, and desorbing apparatus
US-2017362085-A1 · Dec 21, 2017 · US
Nitroxyl-mediated oxidation of lignin and polycarboxylated products
US-2017342574-A1 · Nov 30, 2017 · US
Systems and methods for separation and purification of products
US-9828313-B2 · Nov 28, 2017 · US
Iridium complexes for electrocatalysis
US-9790605-B2 · Oct 17, 2017 · US
Integrated power generation and chemical production using fuel cells
US-9786939-B2 · Oct 10, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B3/02?
- CPC C25B3/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C25B3/02 (Chemistry & Metallurgy)?
- Our database includes 122 publications tagged with this CPC code.
- Is patent activity under CPC C25B3/02 growing?
- Publication counts under this code: 4 in 2021 vs 1 in 2024 (latest complete years).