Curable geopolymer slurry and treatement compositions and methods for producing and using said compositions
US-2026070844-A1 · Mar 12, 2026 · US
Silicic acid; Silicates
Silicic acid; Silicates · 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 | C04B41/68 |
| Official title | Silicic acid; Silicates |
| Display label | Silicic acid; Silicates |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Latent heat storage gypsum board and partition structure
US-12492330-B2 · Dec 9, 2025 · US
Additive or sealing composition for cementitous compositions, cementitious composition, methods of manufacturing the same, and methods of preparing a cementitious structure and treating a surface thereof
US-2025171370-A1 · May 29, 2025 · US
Alkali metal polyborate silicate coating for acoustical panel and gypsum board
US-2025002420-A1 · Jan 2, 2025 · US
Decorative glow-in-the-dark concrete block
US-2024360047-A1 · Oct 31, 2024 · US
Decorative glow-in-the-dark concrete block
US-12129213-B1 · Oct 29, 2024 · US
Interlocking concrete block having a glow surface
US-12060306-B1 · Aug 13, 2024 · US
Interlocking concrete block having a glow surface
US-2024246871-A1 · Jul 25, 2024 · US
Latent heat storage gypsum board and partition structure
US-2024247176-A1 · Jul 25, 2024 · US
Luminescent concrete product
US-11981608-B2 · May 14, 2024 · US
Jewelry member
US-11925243-B2 · Mar 12, 2024 · US
Luminescent concrete product
US-2023265020-A1 · Aug 24, 2023 · US
Gypsum wallboard with enhanced fire resistance, and related coatings and methods
US-11702373-B2 · Jul 18, 2023 · US
Luminescent concrete slurry
US-11661381-B2 · May 30, 2023 · US
Luminescent concrete slurry
US-2023074119-A1 · Mar 9, 2023 · US
Heat insulating material, method for manufacturing same, and electronic equipment and automobile using same
US-11577490-B2 · Feb 14, 2023 · US
Luminscent concrete block
US-11512027-B2 · Nov 29, 2022 · US
Suspended Ceiling Tile System Including Panel With Silicate Coating For Improved Acoustical Performance
US-2022333380-A1 · Oct 20, 2022 · US
Non-invasive repair and retrofitting of hardened cementitious materials
US-2022242790-A1 · Aug 4, 2022 · US
Luminscent concrete block
US-2022048829-A1 · Feb 17, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B41/68?
- CPC C04B41/68 is the Cooperative Patent Classification code for “Silicic acid; Silicates.”
- How many patents are filed under CPC C04B41/68 (Silicic acid; Silicates)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C04B41/68 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).