Method of producing sulfur concrete using carbonated salts
US-12522540-B2 · Jan 13, 2026 · US
Organic materials · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B7/428 |
| Official title | {Organic materials} |
| Display label | Organic materials |
| Total patents | 9 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2020 | 2 |
| 2021 | 2 |
| 2023 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12522540-B2 · Jan 13, 2026 · US
US-2025320161-A1 · Oct 16, 2025 · US
US-2025197281-A1 · Jun 19, 2025 · US
US-11731906-B2 · Aug 22, 2023 · US
US-11591246-B2 · Feb 28, 2023 · US
US-11180412-B2 · Nov 23, 2021 · US
US-2021009455-A1 · Jan 14, 2021 · US
US-2020331802-A1 · Oct 22, 2020 · US
US-10662116-B2 · May 26, 2020 · US