Silica sol
US-10450197-B2 · Oct 22, 2019 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01B33/14 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 180 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 18 |
| 2017 | 11 |
| 2018 | 18 |
| 2019 | 15 |
| 2020 | 16 |
| 2021 | 25 |
| 2022 | 13 |
| 2023 | 18 |
| 2024 | 24 |
| 2025 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Silica particle dispersion and production method of the same
US-10301183-B2 · May 28, 2019 · US
Hybrid silica gel made of porous silica particles
US-2019152789-A1 · May 23, 2019 · US
Production and use of polysilicate particulate materials
US-10227238-B2 · Mar 12, 2019 · US
Non-spherical silica sol, process for producing the same, and composition for polishing
US-10160894-B2 · Dec 25, 2018 · US
Aminosilane-modified colloidal silica dispersion and method of manufacturing same
US-2018355117-A1 · Dec 13, 2018 · US
Ultra dense and ultra low power microhotplates using silica aerogel and method of making the same
US-10138130-B2 · Nov 27, 2018 · US
Method of producing a filament comprising a silica gel-fiber
US-10081884-B2 · Sep 25, 2018 · US
Controlled microwave assisted synthesis of functionalized silica nanoparticles
US-2018257946-A1 · Sep 13, 2018 · US
Angle-independent colloidal particles-based structure and method for producing the same
US-2018222753-A1 · Aug 9, 2018 · US
Synthetic amorphous silica powder and method for producing same
US-10023488-B2 · Jul 17, 2018 · US
Method of fabricating array of nanoparticle clusters using thermal transformation of sublimable liquid crystal film
US-10017393-B2 · Jul 10, 2018 · US
Method for preparing silica aerogel-containing blanket and silica aerogel-containing blanket prepared by using the same
US-2018179073-A1 · Jun 28, 2018 · US
Silica particle dispersion and production method of the same
US-2018179076-A1 · Jun 28, 2018 · US
Apparatus and method for manufacturing aerogel sheet
US-2018179075-A1 · Jun 28, 2018 · US
Controlled microwave assisted synthesis of functionalized silica nanoparticles
US-10000390-B2 · Jun 19, 2018 · US
Coating composition and optical member
US-2018148579-A1 · May 31, 2018 · US
Colloidal compositions and methods of preparing same
US-2018141822-A1 · May 24, 2018 · US
Method of preparing metal oxide-silica composite aerogel and metal oxide-silica composite aerogel prepared by using the same
US-2018127278-A1 · May 10, 2018 · US
Method of preparing metal oxide-silica composite aerogel and metal oxide-silica composite aerogel prepared by using the same
US-2018127277-A1 · May 10, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B33/14?
- CPC C01B33/14 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B33/14 (Chemistry & Metallurgy)?
- Our database includes 180 publications tagged with this CPC code.
- Is patent activity under CPC C01B33/14 growing?
- Publication counts under this code: 24 in 2024 vs 13 in 2025 (latest complete years).