Method for Treating Gypsum and Making a Gypsum Board
US-2025122125-A1 · Apr 17, 2025 · US
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Ingredients added before, or during, the calcining process, e.g. calcination modifiers
Ingredients added before, or during, the calcining process, e.g. calcination modifiers · 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 | C04B11/024 |
| Official title | Ingredients added before, or during, the calcining process, e.g. calcination modifiers |
| Display label | Ingredients added before, or during, the calcining process, e.g. calcination modifiers |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method For Calcining Gypsum and Making a Gypsum Board
US-2024254044-A1 · Aug 1, 2024 · US
Method of producing a supplementary cementitious material
US-2023406774-A1 · Dec 21, 2023 · US
Accelerator comprising starch, and related board, slurries, and methods
US-11834374-B2 · Dec 5, 2023 · US
Apparatus and method for treating gypsum
US-11512019-B2 · Nov 29, 2022 · US
Stabilized gypsum particles
US-2022298069-A1 · Sep 22, 2022 · US
Gypsum additive to control mercury
US-10654753-B2 · May 19, 2020 · US
Accelerator comprising starch, and related board, slurries, and methods
US-2019322584-A1 · Oct 24, 2019 · US
Gypsum additive to control mercury
US-2019300429-A1 · Oct 3, 2019 · US
Methods for manufacturing a calcined gypsum and a gypsum board
US-8945462-B2 · Feb 3, 2015 · US
Surfactant-coated hemihydrate gypsum and production method thereof
US-8940091-B2 · Jan 27, 2015 · US