Method for producing cyclic diketone compound
US-10087129-B2 · Oct 2, 2018 · US
Oxides; Hydroxides
Oxides; Hydroxides · 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 | C01G41/02 |
| Official title | Oxides; Hydroxides |
| Display label | Oxides; Hydroxides |
| Total patents | 264 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 15 |
| 2017 | 23 |
| 2018 | 26 |
| 2019 | 37 |
| 2020 | 32 |
| 2021 | 30 |
| 2022 | 24 |
| 2023 | 22 |
| 2024 | 22 |
| 2025 | 20 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dielectric material, method of manufacturing thereof, and dielectric devices and electronic devices including the same
US-2018257991-A1 · Sep 13, 2018 · US
Porous oxide semiconductor including three-dimensionally interconnected nanopores, mesopores, and macropores, method for preparing the porous oxide semiconductor and gas sensor including the porous oxide semiconductor as gas sensing material
US-2018215628-A1 · Aug 2, 2018 · US
Electroconductive particle, visible light transmitting particle-dispersed electrical conductor and manufacturing method thereof, transparent electroconductive thin film and manufacturing method thereof, transparent electroconductive article that uses the same, and infrared-shielding article
US-2018188419-A1 · Jul 5, 2018 · US
Robust sensing film for fire gases
US-2018164239-A1 · Jun 14, 2018 · US
Phosphorous trifluoride co-gas for carbon implants
US-2018144904-A1 · May 24, 2018 · US
Methods for processing fumed metallic oxides
US-9969621-B2 · May 15, 2018 · US
Production of ethylene with nanowire catalysts
US-2018117579-A1 · May 3, 2018 · US
Nonaqueous electrolyte secondary battery
US-2018108939-A1 · Apr 19, 2018 · US
Tungsten oxide nanostructure thin films for electrochromic devices
US-2018088430-A1 · Mar 29, 2018 · US
Production of Nanocrystalline Metal Powders via Combustion Reaction Synthesis
US-2018037975-A1 · Feb 8, 2018 · US
Heat shielding material and method for manufacturing the same
US-9880331-B2 · Jan 30, 2018 · US
Rapidly curable electrically conductive clear coatings
US-9870842-B2 · Jan 16, 2018 · US
Conducting metal oxide and metal nitride nanoparticles
US-9850140-B2 · Dec 26, 2017 · US
Method for producing cyclic diketone compound
US-2017362153-A1 · Dec 21, 2017 · US
Dispersion liquid of titanium oxide-tungsten oxide composite photocatalytic fine particles, production method for same, and member having photocatalytic thin film on surface thereof
US-9833776-B2 · Dec 5, 2017 · US
Porous hollow shell wo3/ws2 nanomaterial and method of preparing same
US-2017341935-A1 · Nov 30, 2017 · US
Tunable Nanomaterials By Templating From Kinetically Trapped Polymer Micelles
US-2017335112-A1 · Nov 23, 2017 · US
Heat ray shielding particles, heat ray shielding particle dispersion liquid, heat ray shielding particle dispersion, heat ray shielding particle dispersion laminated transparent base material, infrared ray absorbing transparent base material, and method of producing heat ray shielding particles
US-2017334735-A1 · Nov 23, 2017 · US
Tungsten oxide nanostructure thin films for electrochromic devices
US-9823535-B2 · Nov 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01G41/02?
- CPC C01G41/02 is the Cooperative Patent Classification code for “Oxides; Hydroxides.”
- How many patents are filed under CPC C01G41/02 (Oxides; Hydroxides)?
- Our database includes 264 publications tagged with this CPC code.
- Is patent activity under CPC C01G41/02 growing?
- Publication counts under this code: 22 in 2024 vs 20 in 2025 (latest complete years).