Preparation of carbon-doped silicon dioxide granulate as an intermediate in the preparation of quartz glass
US-2018370835-A1 · Dec 27, 2018 · US
Preparation of silica of undetermined type
Preparation of silica of undetermined type · 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 | C01B33/126 |
| Official title | {Preparation of silica of undetermined type} |
| Display label | Preparation of silica of undetermined type |
| Total patents | 129 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 19 |
| 2017 | 18 |
| 2018 | 12 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 14 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 1 |
| 2025 | 14 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of forming a low-k dielectric layer and methods of fabricating a semiconductor device using the same
US-10134583-B2 · Nov 20, 2018 · US
Methods for Depositing Films with Organoaminodisilane Precursors
US-2018294152-A1 · Oct 11, 2018 · US
Silica synthesis
US-2018282169-A1 · Oct 4, 2018 · US
Organoaminodisilane precursors and methods for depositing films comprising same
US-10077364-B2 · Sep 18, 2018 · US
Lithium ion secondary battery negative electrode material, production method therefor, and lithium ion secondary battery
US-2018219218-A1 · Aug 2, 2018 · US
Porous silicon-silicon oxide-carbon composite, and method of preparing the same
US-2018166685-A1 · Jun 14, 2018 · US
Methods for depositing films with organoaminodisilane precursors
US-9997350-B2 · Jun 12, 2018 · US
Compositions and Methods for the Deposition of Silicon Oxide Films
US-2018127592-A1 · May 10, 2018 · US
Precursors and Flowable CVD Methods for Making Low-K Films to Fill Surface Features
US-2018061636-A1 · Mar 1, 2018 · US
Vapor deposition of metal oxides, silicates and phosphates, and silicon dioxide
US-9905414-B2 · Feb 27, 2018 · US
Composition for forming a transparent coating film including hollow silica particles
US-9834663-B2 · Dec 5, 2017 · US
Tunable Nanomaterials By Templating From Kinetically Trapped Polymer Micelles
US-2017335112-A1 · Nov 23, 2017 · US
Devices and methods of fabrication of sinusoidal patterned silicon dioxide substrates
US-2017324166-A1 · Nov 9, 2017 · US
Multi-layered graphene material having a plurality of yolk/shell structures
US-2017309362-A1 · Oct 26, 2017 · US
Oxide shell structures and methods of making oxide shell structures
US-2017296995-A1 · Oct 19, 2017 · US
Synthetic amorphous silica powder and process for manufacturing same
US-9745201-B2 · Aug 29, 2017 · US
Antireflection film, optical member, and method for manufacturing optical member
US-2017219740-A1 · Aug 3, 2017 · US
Methods of forming a low-k dielectric layer and methods of fabricating a semiconductor device using the same
US-2017207083-A1 · Jul 20, 2017 · US
Organoaminodisilane Precursors and Methods for Depositing Films Comprising Same
US-2017183502-A1 · Jun 29, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B33/126?
- CPC C01B33/126 is the Cooperative Patent Classification code for “Preparation of silica of undetermined type.”
- How many patents are filed under CPC C01B33/126 (Preparation of silica of undetermined type)?
- Our database includes 129 publications tagged with this CPC code.
- Is patent activity under CPC C01B33/126 growing?
- Publication counts under this code: 1 in 2024 vs 14 in 2025 (latest complete years).