Substrate support cover for high-temperature corrosive environment
US-2020370174-A1 · Nov 26, 2020 · US
Yttrium oxides or hydroxides
Yttrium oxides or 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 | C01F17/218 |
| Official title | Yttrium oxides or hydroxides |
| Display label | Yttrium oxides or hydroxides |
| Total patents | 118 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 7 |
| 2017 | 10 |
| 2018 | 15 |
| 2019 | 15 |
| 2020 | 14 |
| 2021 | 7 |
| 2022 | 19 |
| 2023 | 7 |
| 2024 | 12 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite structure, semiconductor manufacturing apparatus and display manufacturing apparatus provided with composite structure
US-10759710-B2 · Sep 1, 2020 · US
Process for providing fluorescence to a dental ceramic body
US-2020247723-A1 · Aug 6, 2020 · US
Method of fabricating thin film transistor, thin film transistor, array substrate, and display apparatus
US-2020185422-A1 · Jun 11, 2020 · US
Process for providing fluorescence to a dental ceramic body
US-10662120-B2 · May 26, 2020 · US
Method for preparing rare earth compound particles, rare earth oxide particles, and rare earth oxide particles-containing slurry
US-2020071180-A1 · Mar 5, 2020 · US
Colored translucent zirconia sintered body and powder, and use thereof
US-10555795-B2 · Feb 11, 2020 · US
Rare earth oxyfluoride sintered body and method for producing same
US-2019345069-A1 · Nov 14, 2019 · US
Composite structure, semiconductor manufacturing apparatus and display manufacturing apparatus provided with composite structure
US-2019276368-A1 · Sep 12, 2019 · US
Morphologically and size uniform monodisperse particles and their shape-directed self-assembly
US-2019249081-A1 · Aug 15, 2019 · US
Amorphous Silicon Doped Yttrium Oxide Films And Methods of Formation
US-2019221426-A1 · Jul 18, 2019 · US
Monolithic rare earth oxide aerogels
US-2019211264-A1 · Jul 11, 2019 · US
Monolithic rare earth oxide aerogels
US-10336937-B2 · Jul 2, 2019 · US
Oxide superconducting wire
US-2019172612-A1 · Jun 6, 2019 · US
Nanopowders, nanoceramic materials and methods of making and use thereof
US-2019127280-A1 · May 2, 2019 · US
Morphologically and size uniform monodisperse particles and their shape-directed self-assembly
US-10273407-B2 · Apr 30, 2019 · US
Highly pure powder intended for thermal spraying
US-10252919-B2 · Apr 9, 2019 · US
Fluorinated rare earth oxide ald coating for chamber productivity enhancement
US-2019078200-A1 · Mar 14, 2019 · US
Fluorinated rare earth oxide ald coating for chamber productivity enhancement
US-2019078206-A1 · Mar 14, 2019 · US
Production of ethylene with nanowire catalysts
US-10195603-B2 · Feb 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01F17/218?
- CPC C01F17/218 is the Cooperative Patent Classification code for “Yttrium oxides or hydroxides.”
- How many patents are filed under CPC C01F17/218 (Yttrium oxides or hydroxides)?
- Our database includes 118 publications tagged with this CPC code.
- Is patent activity under CPC C01F17/218 growing?
- Publication counts under this code: 12 in 2024 vs 4 in 2025 (latest complete years).