Unidirectional, interconnected super-micropore silica support
US-2026035253-A1 · Feb 5, 2026 · US
Preparation of adsorbing porous silica not in gel form and not finely divided, i.e. silicon skeletons, by acidic treatment of siliceous materials
Preparation of adsorbing porous silica not in gel form and not finely divided, i.e. silicon skeletons, by acidic treatment of siliceous materials · 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 | C01B33/124 |
| Official title | {Preparation of adsorbing porous silica not in gel form and not finely divided, i.e. silicon skeletons, by acidic treatment of siliceous materials} |
| Display label | Preparation of adsorbing porous silica not in gel form and not finely divided, i.e. silicon skeletons, by acidic treatment of siliceous materials |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 3 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for making hollow silica particles
US-2025033983-A1 · Jan 30, 2025 · US
Functionalized silica nanorings, methods of making same, and uses thereof
US-2025019249-A1 · Jan 16, 2025 · US
Hydrolytic and calcination method for forming hollow silica particles
US-12139411-B2 · Nov 12, 2024 · US
Hydrolytic and calcination method for forming hollow silica particles
US-2024294387-A1 · Sep 5, 2024 · US
Water-based hydrolysis method for forming hollow particles
US-12017922-B2 · Jun 25, 2024 · US
Process of synthesis of silica-based adsorbents, adsorbents and use
US-2022212159-A1 · Jul 7, 2022 · US
Functionalized silica nanorings, methods of making same, and uses thereof
US-2022153596-A1 · May 19, 2022 · US
Multi-stage calcination method for making hollow silica spheres
US-11242256-B2 · Feb 8, 2022 · US
Porous silica and deodorant comprising the same
US-11090403-B2 · Aug 17, 2021 · US
Water-based hydrolysis method for forming hollow particles
US-2021238043-A1 · Aug 5, 2021 · US
Process for preparing precipitated silica comprising a high compaction step
US-10865114-B2 · Dec 15, 2020 · US
Methods of making silica nanoparticles, propellants, and safety devices
US-10508040-B2 · Dec 17, 2019 · US
Multi-stage calcination method for making hollow silica spheres
US-2019367376-A1 · Dec 5, 2019 · US
Methods of making silica nanoparticles, propellants, and safety devices
US-2019031517-A1 · Jan 31, 2019 · US
Silica-based polishing particle and abrasive
US-10190023-B2 · Jan 29, 2019 · US
Porous silica and deodorant comprising the same
US-2019001014-A1 · Jan 3, 2019 · US
Process for preparing cellular inorganic monolithic materials and uses of these materials
US-10125021-B2 · Nov 13, 2018 · US
Silica-based polishing particle and abrasive
US-2018127627-A1 · May 10, 2018 · US
Mesoporous metal oxides and processes for preparation thereof
US-9908103-B2 · Mar 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B33/124?
- CPC C01B33/124 is the Cooperative Patent Classification code for “Preparation of adsorbing porous silica not in gel form and not finely divided, i.e. silicon skeletons, by acidic treatment of siliceous materials.”
- How many patents are filed under CPC C01B33/124 (Preparation of adsorbing porous silica not in gel form and not finely divided, i.e. silicon skeletons, by acidic treatment of siliceous materials)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C01B33/124 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).