Geopolymer cementing fluid with controllable thickening time
US-11834605-B2 · Dec 5, 2023 · US
Sulfates
Sulfates · 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 | C04B22/142 |
| Official title | {Sulfates} |
| Display label | Sulfates |
| Total patents | 84 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 12 |
| 2022 | 11 |
| 2023 | 8 |
| 2024 | 12 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rock similar material satisfying water-induced strength degradation characteristic and preparation method and use thereof
US-11802084-B2 · Oct 31, 2023 · US
Polyurethane based polymer concretes and grouting mortars of controlled density
US-2023339813-A1 · Oct 26, 2023 · US
Barite for heavy metal removal
US-2023174426-A1 · Jun 8, 2023 · US
High temperature resistant Portland cement slurry and production method thereof
US-11618844-B2 · Apr 4, 2023 · US
Methods for obtaining aggregates and/or powder-type mineral material utilizing process auxiliaries
US-2023075895-A1 · Mar 9, 2023 · US
Alkali-silica mitigation admixture, methods of making and kits comprising the same
US-2022348501-A1 · Nov 3, 2022 · US
Cement compositions and methods
US-2022315826-A1 · Oct 6, 2022 · US
Joint compounds, activators and methods for setting a joint compound and preventing seed setting
US-11453613-B2 · Sep 27, 2022 · US
Method of Manufacturing Gypsum Board with Improved Fire Resistance
US-2022282484-A1 · Sep 8, 2022 · US
Additive for hydraulically setting compositions
US-11377392-B2 · Jul 5, 2022 · US
Carbonatable calcium silicate-based cements and concretes having mineral additives, and methods thereof
US-11352297-B2 · Jun 7, 2022 · US
Method of manufacturing gypsum board with improved fire
US-11339572-B1 · May 24, 2022 · US
Fire-resistant two-component mortar system based on aluminous cement for a fire-resistant chemical fastening of anchors and post-installed reinforcing bars and use thereof
US-11279659-B2 · Mar 22, 2022 · US
Fastening system and use thereof
US-11214518-B2 · Jan 4, 2022 · US
Use of calcium sulfate in an inorganic mortar system based on aluminous cement to increase load values
US-11214526-B2 · Jan 4, 2022 · US
Two-component mortar system based on aluminous cement and use thereof
US-11214519-B2 · Jan 4, 2022 · US
Improvement of the mechanical properties of waterproofed gypsum boards with polydimethylsiloxanes
US-2021403380-A1 · Dec 30, 2021 · US
Multi-component inorganic anchoring system based on fine aluminous cement
US-2021387916-A1 · Dec 16, 2021 · US
Struvite-K and syngenite composition for use in building materials
US-11161783-B2 · Nov 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B22/142?
- CPC C04B22/142 is the Cooperative Patent Classification code for “Sulfates.”
- How many patents are filed under CPC C04B22/142 (Sulfates)?
- Our database includes 84 publications tagged with this CPC code.
- Is patent activity under CPC C04B22/142 growing?
- Publication counts under this code: 12 in 2024 vs 7 in 2025 (latest complete years).