Porous composite material for sound absorption and method of producing same
US-12570817-B2 · Mar 10, 2026 · US
Aluminum halide, e.g. aluminium chloride · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08K2003/164 |
| Official title | {Aluminum halide, e.g. aluminium chloride} |
| Display label | Aluminum halide, e.g. aluminium chloride |
| Total patents | 50 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12570817-B2 · Mar 10, 2026 · US
US-12509569-B2 · Dec 30, 2025 · US
US-12439745-B2 · Oct 7, 2025 · US
US-2024409766-A1 · Dec 12, 2024 · US
US-2024384020-A1 · Nov 21, 2024 · US
US-2024384124-A1 · Nov 21, 2024 · US
US-2024294735-A1 · Sep 5, 2024 · US
US-2024117125-A1 · Apr 11, 2024 · US
US-2024010794-A1 · Jan 11, 2024 · US
US-11794208-B2 · Oct 24, 2023 · US
US-2023193102-A1 · Jun 22, 2023 · US
US-2023138027-A1 · May 4, 2023 · US
US-11618801-B2 · Apr 4, 2023 · US
US-11566340-B2 · Jan 31, 2023 · US
US-11466112-B2 · Oct 11, 2022 · US
US-2022315732-A1 · Oct 6, 2022 · US
US-2022243022-A1 · Aug 4, 2022 · US
US-2022169565-A1 · Jun 2, 2022 · US
US-2022153900-A1 · May 19, 2022 · US
US-11286204-B2 · Mar 29, 2022 · US
Answers are generated from the same data shown on this page.