Mechanical properties of waterproofed gypsum boards with polydimethylsiloxanes
US-12534408-B2 · Jan 27, 2026 · US
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Sag-resistant materials
Sag-resistant materials · 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 | C04B2111/00094 |
| Official title | {Sag-resistant materials} |
| Display label | Sag-resistant materials |
| Total patents | 18 |
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 | 1 |
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High temperature sag resistant gypsum panel
US-12448334-B2 · Oct 21, 2025 · US
Water-based polymer dispersions and uses thereof
US-11897982-B2 · Feb 13, 2024 · US
Gypsum wallboard with enhanced fire resistance, and related coatings and methods
US-11702373-B2 · Jul 18, 2023 · US
High temperature sag resistant gypsum panel
US-2023045576-A1 · Feb 9, 2023 · US
Improvement of the mechanical properties of waterproofed gypsum boards with polydimethylsiloxanes
US-2021403380-A1 · Dec 30, 2021 · US
Boron-free anti-sagging additive for gypsum building materials
US-2021380484-A1 · Dec 9, 2021 · US
Water-based polymer dispersions and uses thereof
US-2021002402-A1 · Jan 7, 2021 · US
Gypsum wallboard with enhanced fire resistance, and related coatings and methods
US-2020392050-A1 · Dec 17, 2020 · US
Anti-sagging gypsum product and a method to manufacture
US-10793472-B2 · Oct 6, 2020 · US
Additive for construction chemical compositions
US-2019270671-A1 · Sep 5, 2019 · US
Gypsum hardened body, gypsum panel, method for manufacturing gypsum hardened body, and method for manufacturing gypsum board
US-9802867-B2 · Oct 31, 2017 · US
Gypsum hardened body, gypsum panel, method for manufacturing gypsum hardened body, and method for manufacturing gypsum board
US-2017073271-A1 · Mar 16, 2017 · US
Building panel with magnesium oxide-phosphate backcoating
US-2016230013-A1 · Aug 11, 2016 · US
Chemical additive for gypsum products
US-9133060-B2 · Sep 15, 2015 · US
Gypsum-containing product
US-8974597-B2 · Mar 10, 2015 · US
Anti-sagging gypsum product and a method to manufacture
US-2015011138-A1 · Jan 8, 2015 · US
Chemical additive for gypsum products
US-2015007753-A1 · Jan 8, 2015 · US