Methods and compositions for increased thermoelectric oxide ceramic performance
US-2024132412-A1 · Apr 25, 2024 · US
Nitrates or nitrites
Nitrates or nitrites · 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 | C04B2235/443 |
| Official title | Nitrates or nitrites |
| Display label | Nitrates or nitrites |
| Total patents | 286 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 32 |
| 2016 | 32 |
| 2017 | 35 |
| 2018 | 36 |
| 2019 | 23 |
| 2020 | 28 |
| 2021 | 32 |
| 2022 | 18 |
| 2023 | 17 |
| 2024 | 14 |
| 2025 | 17 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing coloring ceramics via colloidal dispersion followed by conventional pressing techniques
US-9512317-B2 · Dec 6, 2016 · US
Method for coloring ceramics via collidal dispersion
US-9505662-B2 · Nov 29, 2016 · US
Proton conductor
US-2016344054-A1 · Nov 24, 2016 · US
Method for Producing Cerium-Based Composite Oxide, Solid Oxide Fuel Cell, and Fuel Cell System
US-2016344041-A1 · Nov 24, 2016 · US
Composition for ferroelectric thin film formation, method for forming ferroelectric thin film, and ferroelectric thin film formed by the method thereof
US-9502636-B2 · Nov 22, 2016 · US
Method for Manufacturing Composite Ceramic Material
US-2016329573-A1 · Nov 10, 2016 · US
Coated barium titanate particulate and production method for same
US-9478356-B2 · Oct 25, 2016 · US
Ceria-zirconia composite oxide, method for producing the same, and catalyst for purifying exhaust gas using the ceria-zirconia composite oxide
US-2016250620-A1 · Sep 1, 2016 · US
Ceramic scintillator and its production method, and scintillator array and radiation detector
US-2016251573-A1 · Sep 1, 2016 · US
Method for Coloring Ceramics Via Collidal Dispersion
US-2016251268-A1 · Sep 1, 2016 · US
Ultrafine continuous fibrous ceramic filter and method of manufacturing same
US-2016244373-A1 · Aug 25, 2016 · US
Lithium secondary battery and cathode of the lithium secondary battery with conductive bonding layer
US-9425454-B2 · Aug 23, 2016 · US
LaNiO3 thin film-forming composition and method of forming LaNiO3 thin film using the same
US-9412485-B2 · Aug 9, 2016 · US
Method for producing dense lithium lanthanum tantalate lithium-ion conducting ceramics
US-2016221880-A1 · Aug 4, 2016 · US
Beta-aluminum oxide ceramics obtainable by extrusion of a mixture that contains a sodium compound
US-2016221242-A1 · Aug 4, 2016 · US
Method for preparing a material on a substrate by sol-gel means
US-9397359-B2 · Jul 19, 2016 · US
Ceria-zirconia-based composite oxide and method for producing same, and exhaust gas purification catalyst including ceria-zirconia-based composite oxide
US-2016184801-A1 · Jun 30, 2016 · US
Method for coloring ceramics via colloidal dispersion
US-9365459-B2 · Jun 14, 2016 · US
Photostable composite for solar water splitting and process for the preparation thereof
US-2016136631-A1 · May 19, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2235/443?
- CPC C04B2235/443 is the Cooperative Patent Classification code for “Nitrates or nitrites.”
- How many patents are filed under CPC C04B2235/443 (Nitrates or nitrites)?
- Our database includes 286 publications tagged with this CPC code.
- Is patent activity under CPC C04B2235/443 growing?
- Publication counts under this code: 14 in 2024 vs 17 in 2025 (latest complete years).