High-strength Portland cement slurry for ultra-high temperature cementing, preparation method therefor and application thereof
US-12497331-B2 · Dec 16, 2025 · US
containing sulfur in the anion, e.g. sulfides
containing sulfur in the anion, e.g. sulfides · 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 | C04B22/14 |
| Official title | containing sulfur in the anion, e.g. sulfides |
| Display label | containing sulfur in the anion, e.g. sulfides |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-hydration strength in cementitious compositions
US-12441658-B2 · Oct 14, 2025 · US
In-situ synergistically modified and reinforced cement-based composite material and use thereof
US-2025270139-A1 · Aug 28, 2025 · US
Cement admixture, expansion material, and cement composition
US-12378161-B2 · Aug 5, 2025 · US
Method of stabilizing leachable compounds in a carbonate bonded matrix
US-2025171360-A1 · May 29, 2025 · US
Multi-component inorganic anchoring system based on fine aluminous cement
US-12077475-B2 · Sep 3, 2024 · US
Accelerators for the reaction of steelmaking slag with water
US-2024286958-A1 · Aug 29, 2024 · US
Online control of rheology of building material for 3D printing
US-12030813-B2 · Jul 9, 2024 · US
Friction materials with low storage time for brake pads based on binder compositions and related brake pads
US-11982330-B2 · May 14, 2024 · US
Double-response self-degradable temporary plugging agent and preparation method thereof
US-11959015-B2 · Apr 16, 2024 · US
Regulating cementitious material for promoting hydration of Portland cement
US-11858848-B2 · Jan 2, 2024 · US
High-strength portland cement slurry for ultra-high temperature cementing, preparation method therefor and application thereof
US-2023278927-A1 · Sep 7, 2023 · US
Cement admixture, expansion material, and cement composition
US-2023242448-A1 · Aug 3, 2023 · US
Barite for heavy metal removal
US-2023174426-A1 · Jun 8, 2023 · US
Radiation shield unit, method of manufacturing radiation shield unit, and radiation shield structure
US-2023154637-A1 · May 18, 2023 · US
Joint compounds, activators and methods for setting a joint compound and preventing seed setting
US-11453613-B2 · Sep 27, 2022 · US
Friction materials with low storage time for brake pads based on binder compositions and related brake pads
US-2021388880-A1 · Dec 16, 2021 · US
Double-response self-degradable temporary plugging agent and preparation method thereof
US-2021380865-A1 · Dec 9, 2021 · US
Non-hydration strength in cementitious compositions
US-2021355031-A1 · Nov 18, 2021 · US
Strength enhancing admixture for cementitious compositions
US-11097988-B2 · Aug 24, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B22/14?
- CPC C04B22/14 is the Cooperative Patent Classification code for “containing sulfur in the anion, e.g. sulfides.”
- How many patents are filed under CPC C04B22/14 (containing sulfur in the anion, e.g. sulfides)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C04B22/14 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).