Composite building panel
US-2024409467-A1 · Dec 12, 2024 · US
Magnesium oxychloride cements, e.g. Sorel cement
Magnesium oxychloride cements, e.g. Sorel cement · 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 | C04B28/32 |
| Official title | Magnesium oxychloride cements, e.g. Sorel cement |
| Display label | Magnesium oxychloride cements, e.g. Sorel cement |
| Total patents | 111 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 13 |
| 2018 | 9 |
| 2019 | 17 |
| 2020 | 9 |
| 2021 | 14 |
| 2022 | 7 |
| 2023 | 11 |
| 2024 | 13 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sorel cement composition and method to cure loss of circulation
US-11148977-B2 · Oct 19, 2021 · US
Ultra stable structural laminate
US-2021214279-A1 · Jul 15, 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
Floor Panel and Method of Producing Such a Floor Panel
US-2020123788-A1 · Apr 23, 2020 · US
Fire barrier building product and method and system for making same
US-2020115900-A1 · Apr 16, 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
Fire barrier building product and method and system for making same
US-10508438-B2 · Dec 17, 2019 · 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
Set on demand compositions
US-10479922-B2 · Nov 19, 2019 · US
Methods for maintaining zonal isolation in a subterranean well
US-10472554-B2 · Nov 12, 2019 · US
System for Drying a Paste-Based Crafting Medium During Three-Dimensional Printing
US-2019337053-A1 · Nov 7, 2019 · US
Support Edifice for Three-Dimensional Printing
US-2019337235-A1 · Nov 7, 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
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B28/32?
- CPC C04B28/32 is the Cooperative Patent Classification code for “Magnesium oxychloride cements, e.g. Sorel cement.”
- How many patents are filed under CPC C04B28/32 (Magnesium oxychloride cements, e.g. Sorel cement)?
- Our database includes 111 publications tagged with this CPC code.
- Is patent activity under CPC C04B28/32 growing?
- Publication counts under this code: 13 in 2024 vs 8 in 2025 (latest complete years).