C04B 11/266
Chemical gypsum
Official title: {Chemical gypsum}
C04B11/266 (Chemical gypsum) appears on 3 US grants and 9 published applications in this corpus.
Search patents in C04B- Granted patents
- 3
- Published applications
- 9
- Assignees
- 7
- Inventors
- 16
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Synthetic gypsum and gypsum boards produced therefrom5 May 2026US 12,617,719 B2Universal Cement Corporation
- High salt gypsum wallboard containing salt absorbents and methods of making same4 Jun 2024US 11,999,658 B2United States Gypsum Company
- Method for producing calcium sulfate26 May 2020US 10,662,072 B2Prayon Technologies
- Synthesis of cement from alternative raw materials and fuels that reduces or eliminates co2 emissions6 Aug 2026US 2026/0225957 A1Batuga Tech LLC
- Fire resistant gypsum panels, and methods7 May 2026US 2026/0125318 A1Georgia-Pacific Gypsum LLC
- Material composition for use in construction and methods of applying the same5 Dec 2024US 2024/0400448 A1Onx, Inc.
- Synthetic gypsum and gypsum boards produced therefrom17 Oct 2024US 2024/0343643 A1Universal Cement Corporation
- Fire resistant gypsum panels, and methods21 Sep 2023US 2023/0295041 A1Georgia-Pacific Gypsum LLC
Most cited
By later US patents