Hydrophobic organic solvent-dispersed silica sol and method for producing same
US-2024359993-A1 · Oct 31, 2024 · US
Esters of silicic acids
Esters of silicic acids · 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 | C07F7/04 |
| Official title | Esters of silicic acids |
| Display label | Esters of silicic acids |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 11 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 9 |
| 2025 | 5 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Direct synthesis of alkoxysilanes using copper-aluminum alloy catalysts
US-2024352049-A1 · Oct 24, 2024 · US
Pressure medium and method for using pressure medium
US-2024343989-A1 · Oct 17, 2024 · US
Non-spherical primary silica nanoparticles and the use therefor
US-2024209234-A1 · Jun 27, 2024 · US
Ionic compound, electrolyte solution, secondary battery and electrical apparatus
US-2024204255-A1 · Jun 20, 2024 · US
Photochromic composition, photochromic article, and spectacles
US-2024059959-A1 · Feb 22, 2024 · US
Photoacid generators, photoresist compositions, and pattern formation methods
US-2024027905-A1 · Jan 25, 2024 · US
Organopolysiloxane composition, and organic silicon compound and production method therefor
US-11834556-B2 · Dec 5, 2023 · US
Photochromic compound, photochromic composition, photochromic article, and eyeglasses
US-2023340318-A1 · Oct 26, 2023 · US
Photochromic composition, photochromic article, and spectacles
US-2023227717-A1 · Jul 20, 2023 · US
Silicon compositions and methods of preparing the same
US-2023202875-A1 · Jun 29, 2023 · US
Silicon compounds and methods of manufacturing integrated circuit device using the same
US-2022380390-A1 · Dec 1, 2022 · US
Twin-monomer composition and dielectric film thereof
US-2022324885-A1 · Oct 13, 2022 · US
Organopolysiloxane composition, and organic silicon compound and production method therefor
US-2022220260-A1 · Jul 14, 2022 · US
Composition, film, glass article, compound, high purity composition, method for producing compound, and method for producing film
US-11364710-B2 · Jun 21, 2022 · US
Modified perovskite quantum dot material, fabricating method thereof, and display device
US-11332661-B2 · May 17, 2022 · US
Organopolysiloxane composition, and organic silicon compound and production method therefor
US-11319413-B2 · May 3, 2022 · US
Multi-layer composite structure containing pre-lithiated metal oxide and method for preparing the same
US-2022131135-A1 · Apr 28, 2022 · US
Calixarene compound and curable composition
US-11111225-B2 · Sep 7, 2021 · US
Organopolysiloxane composition, and organic silicon compound and production method therefor
US-2021206924-A1 · Jul 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F7/04?
- CPC C07F7/04 is the Cooperative Patent Classification code for “Esters of silicic acids.”
- How many patents are filed under CPC C07F7/04 (Esters of silicic acids)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC C07F7/04 growing?
- Publication counts under this code: 9 in 2024 vs 5 in 2025 (latest complete years).