Sacrificial yarn filament for use in ceramic matrix composites, methods of manufacture thereof and articles comprising the same
US-12522321-B2 · Jan 13, 2026 · US
by dissolving-out added substances
by dissolving-out added substances · 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 | C04B38/04 |
| Official title | by dissolving-out added substances |
| Display label | by dissolving-out added substances |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 11 |
| 2017 | 2 |
| 2018 | 13 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-sintered high-strength lightweight aggregate one-shot prepared from sulfur-based and alkaline-based solid wastes by stirring, granulation, foaming, preparation method therefor and use thereof
US-12116313-B1 · Oct 15, 2024 · US
Hierarchical printed product and composition and method for making the same
US-12054569-B1 · Aug 6, 2024 · US
Particulate composite ceramic material, part comprising said material, and method for the preparation of said part
US-12037292-B2 · Jul 16, 2024 · US
Sacrificial yarn filament for use in ceramic matrix composites, methods of manufacture thereof and articles comprising the same
US-2024199499-A1 · Jun 20, 2024 · US
Phase inversion pore-forming agent and pore-forming method for fly ash-based ceramic flat membrane support
US-11987530-B1 · May 21, 2024 · US
Method of forming a sand control device from a curable inorganic mixture infused with degradable material and method of producing formation fluids through a sand control device formed from a curable inorganic mixture infused with degradable material
US-11905786-B2 · Feb 20, 2024 · US
System and method for the production of gypsum board using starch pellets
US-11873259-B2 · Jan 16, 2024 · US
Porous carbon and method of manufacturing same
US-11584651-B2 · Feb 21, 2023 · US
Method of forming cooling channels in a ceramic matrix composite component
US-11534936-B2 · Dec 27, 2022 · US
Fugitive fiber commingling to provide loft in ceramic fiber tows
US-11434176-B2 · Sep 6, 2022 · US
Substrate and a method of manufacturing a substrate
US-11396010-B2 · Jul 26, 2022 · US
Hierarchical printed product and composition and method for making the same
US-11267920-B2 · Mar 8, 2022 · US
Porous silicon compositions and devices and methods thereof
US-11139473-B2 · Oct 5, 2021 · US
Hierarchical printed product and composition and method for making the same
US-2021179759-A1 · Jun 17, 2021 · US
Methods of forming ceramic matrix composites using sacrificial fibers and non-wetting coating
US-10995039-B1 · May 4, 2021 · US
Method of forming cooling channels in a ceramic matrix composite component
US-2021001511-A1 · Jan 7, 2021 · US
Substrate and a method of manufacturing a substrate
US-10882036-B2 · Jan 5, 2021 · US
Particulate composite ceramic material, part comprising said material, and method for the preparation of said part
US-2020392046-A1 · Dec 17, 2020 · US
Substrate And A Method Of Manufacturing A Substrate
US-2020254434-A1 · Aug 13, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B38/04?
- CPC C04B38/04 is the Cooperative Patent Classification code for “by dissolving-out added substances.”
- How many patents are filed under CPC C04B38/04 (by dissolving-out added substances)?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC C04B38/04 growing?
- Publication counts under this code: 1 in 2023 vs 7 in 2024 (latest complete years).