Refractory lance assembly and refractory lance tube
US-12584862-B2 · Mar 24, 2026 · US
Silicon aluminium oxynitrides, i.e. sialons
Silicon aluminium oxynitrides, i.e. sialons · 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 | C01B21/0826 |
| Official title | {Silicon aluminium oxynitrides, i.e. sialons} |
| Display label | Silicon aluminium oxynitrides, i.e. sialons |
| Total patents | 35 |
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 | 4 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 2 |
| 2021 | 3 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Beta-sialon phosphor and light emitting device
US-12264274-B2 · Apr 1, 2025 · US
Refractory lance assembly and refractory lance tube
US-2024344995-A1 · Oct 17, 2024 · US
Phosphor, method for producing same, light emitting element and light emitting device
US-2024240081-A1 · Jul 18, 2024 · US
Phosphor powder, composite, and light-emitting device
US-2024150647-A1 · May 9, 2024 · US
Narrow band emitting SiAION phosphor
US-11926775-B2 · Mar 12, 2024 · US
Phosphor powder, light-emitting device, image display device, and illumination device
US-2024010914-A1 · Jan 11, 2024 · US
Method of producing beta-sialon fluorescent material
US-11753302-B2 · Sep 12, 2023 · US
Method of producing beta-sialon fluorescent material
US-2023045233-A1 · Feb 9, 2023 · US
Narrow Band Emitting SiAlON Phosphor
US-2023002671-A1 · Jan 5, 2023 · US
Method of producing beta-sialon fluorescent material
US-11512248-B2 · Nov 29, 2022 · US
Method of forming an alkali metal-doped calcium-SiA1ON material
US-11492257-B1 · Nov 8, 2022 · US
Phosphor particle, composite, light-emitting device, and method for producing phosphor particle
US-11485906-B2 · Nov 1, 2022 · US
Method of forming a βSiAlON by spark plasma sintering
US-11479463-B2 · Oct 25, 2022 · US
Narrow band emitting SiAlON phosphor
US-11453821-B2 · Sep 27, 2022 · US
Beta-sialon phosphor and light emitting device
US-2022298415-A1 · Sep 22, 2022 · US
Phosphor particle, composite, light-emitting device, and method for producing phosphor particle
US-2022089946-A1 · Mar 24, 2022 · US
NARROW BAND EMITTING SiAlON PHOSPHOR
US-2021171827-A1 · Jun 10, 2021 · US
Method of producing beta-sialon fluorescent material
US-2021095202-A1 · Apr 1, 2021 · US
METHOD OF FORMING A ß-SiAlON BY SPARK PLASMA SINTERING
US-2021032105-A1 · Feb 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B21/0826?
- CPC C01B21/0826 is the Cooperative Patent Classification code for “Silicon aluminium oxynitrides, i.e. sialons.”
- How many patents are filed under CPC C01B21/0826 (Silicon aluminium oxynitrides, i.e. sialons)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC C01B21/0826 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).