Ultra stable structural laminate
US-12454487-B2 · Oct 28, 2025 · US
Magnesium cements containing sulfates, nitrates, phosphates or fluorides
Magnesium cements containing sulfates, nitrates, phosphates or fluorides · 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 | C04B9/04 |
| Official title | Magnesium cements containing sulfates, nitrates, phosphates or fluorides |
| Display label | Magnesium cements containing sulfates, nitrates, phosphates or fluorides |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ultra stable cementitious material formulation, process for its making, and ultra stable tile backer board formulation and processes for its making
US-2024243689-A1 · Jul 18, 2024 · US
Ultra stable structural laminate
US-2024025809-A1 · Jan 25, 2024 · US
Ultra stable cementitious material formulation, process for its making, and ultra stable tile backer board formulation and processes for its making
US-11777440-B2 · Oct 3, 2023 · US
Magnesium phosphate-alkali activated composite cementitious material with rapid hardening, early strength, and high water resistance
US-2023117417-A1 · Apr 20, 2023 · US
Application of metal oxide-based cements in wellbores
US-10982125-B2 · Apr 20, 2021 · US
Method to make ultra stable structural laminate
US-10910988-B2 · Feb 2, 2021 · US
Building with ultra stable cementitious material formulation
US-10897222-B2 · Jan 19, 2021 · US
Photovoltaic conversion of light
US-10720876-B2 · Jul 21, 2020 · US
Ultra stable cementitious material formulation, process for its making, and ultra stable tile backer board formulation and processes for its making
US-10696595-B2 · Jun 30, 2020 · US
Ultra stable cementitious material formulation, process for its making, and ultra stable tile backer board formulation and processes for its making
US-2020067448-A1 · Feb 27, 2020 · US
Settable, form-filling loss circulation control compositions comprising in situ foamed non-hydraulic sorel cement systems and method of use
US-10544350-B2 · Jan 28, 2020 · US
Settable, form-filling loss circulation control compositions comprising in situ foamed non-hydraulic sorel cement systems and method of use
US-10544351-B2 · Jan 28, 2020 · US
Application of metal oxide-based cements
US-2020010751-A1 · Jan 9, 2020 · US
Settable, form-filling loss circulation control compositions comprising in situ foamed non-hydraulic sorel cement systems and method of use
US-10526524-B2 · Jan 7, 2020 · US
Photovoltaic conversion of light
US-2019379318-A1 · Dec 12, 2019 · US
Building with ultra stable cementitious material formulation
US-2019379319-A1 · Dec 12, 2019 · US
Ultra stable cementitious material formulation, process for its making, and ultra stable tile backer board formulation and processes for its making
US-2019341875-A1 · Nov 7, 2019 · US
Settable, form-filling loss circulation control compositions comprising in situ foamed non-hydraulic sorel cement systems and method of use
US-2019316022-A1 · Oct 17, 2019 · US
Settable, form-filling loss circulation control compositions comprising in situ foamed non-hydraulic sorel cement systems and method of use
US-2019276726-A1 · Sep 12, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B9/04?
- CPC C04B9/04 is the Cooperative Patent Classification code for “Magnesium cements containing sulfates, nitrates, phosphates or fluorides.”
- How many patents are filed under CPC C04B9/04 (Magnesium cements containing sulfates, nitrates, phosphates or fluorides)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C04B9/04 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).