Metal oxynitride thin film, process for producing metal oxynitride thin film, and capacitor element
US-11078123-B2 · Aug 3, 2021 · US
Gases other than oxygen used as reactant, e.g. nitrogen used to make a nitride phase
Gases other than oxygen used as reactant, e.g. nitrogen used to make a nitride phase · 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 | C04B2235/46 |
| Official title | Gases other than oxygen used as reactant, e.g. nitrogen used to make a nitride phase |
| Display label | Gases other than oxygen used as reactant, e.g. nitrogen used to make a nitride phase |
| Total patents | 84 |
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 | 19 |
| 2016 | 5 |
| 2017 | 12 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 10 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Metal nitrides and/or metal carbides with nanocrystalline grain structure
US-2021188716-A1 · Jun 24, 2021 · US
Transformation enabled nitride magnets absent rare earths and a process of making the same
US-10867730-B2 · Dec 15, 2020 · US
Ceramic matrix composite manufacturing
US-2020300470-A1 · Sep 24, 2020 · US
Method of fabricating a ceramic from a chemical reaction
US-10723658-B2 · Jul 28, 2020 · US
Ceramic matrix composite manufacturing
US-10712005-B2 · Jul 14, 2020 · US
Boron nitride nanotube (bnnt)-nanoparticle composites, methods for the preparation thereof and their macroscopic assemblies
US-2020216317-A1 · Jul 9, 2020 · US
Semiconductor devices and method of manufacturing the same
US-2019355806-A1 · Nov 21, 2019 · US
Systems and methods for carbon structures incorporating silicon carbide
US-2019292107-A1 · Sep 26, 2019 · US
Metal nitrides and/or metal carbides with nanocrystalline grain structure
US-2019225550-A1 · Jul 25, 2019 · US
Mitigating Pyrophoric Deposits In Exhaust Piping During SIC CVI/CVD Processes By Introducing Water Vapor Into An Outlet Portion Of A Reaction Chamber
US-2019194806-A1 · Jun 27, 2019 · US
Manufacturing of a ceramic article from a metal preform or metal matrix composite preform provided by 3D-printing or 3D-weaving
US-10294160-B2 · May 21, 2019 · US
Metal oxynitride thin film, process for producing metal oxynitride thin film, and capacitor element
US-2019144341-A1 · May 16, 2019 · US
Oxide semiconductor thin film, manufacturing method for oxide semiconductor thin film, and thin film transistor using oxide semiconductor thin film
US-2019081182-A1 · Mar 14, 2019 · US
Ceramic matrix composite manufacturing
US-2019017704-A1 · Jan 17, 2019 · US
A method of fabricating a ceramic from a chemical reaction
US-2018370859-A1 · Dec 27, 2018 · US
Method of forming a moisture-tolerant coating on a silicon carbide fiber
US-2018363132-A1 · Dec 20, 2018 · US
Transformation enabled nitride magnets absent rare earths and a process of making the same
US-2018301259-A1 · Oct 18, 2018 · US
Transformation enabled nitride magnets absent rare earths and a process of making the same
US-9997285-B2 · Jun 12, 2018 · US
Formation of boron carbide-boron nitride carbon compositions
US-9957199-B2 · May 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2235/46?
- CPC C04B2235/46 is the Cooperative Patent Classification code for “Gases other than oxygen used as reactant, e.g. nitrogen used to make a nitride phase.”
- How many patents are filed under CPC C04B2235/46 (Gases other than oxygen used as reactant, e.g. nitrogen used to make a nitride phase)?
- Our database includes 84 publications tagged with this CPC code.
- Is patent activity under CPC C04B2235/46 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).