Hydrothermal upgrading and separation of mixed plastics
US-2025312947-A1 · Oct 9, 2025 · US
Chlorides · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B9/02 |
| Official title | Chlorides |
| Display label | Chlorides |
| Total patents | 15 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025312947-A1 · Oct 9, 2025 · US
US-2025289913-A1 · Sep 18, 2025 · US
US-2024262704-A1 · Aug 8, 2024 · US
US-2024254020-A1 · Aug 1, 2024 · US
US-11939247-B2 · Mar 26, 2024 · US
US-11932551-B2 · Mar 19, 2024 · US
US-2023130444-A1 · Apr 27, 2023 · US
US-2021122643-A1 · Apr 29, 2021 · US
US-10280090-B2 · May 7, 2019 · US
US-10112846-B2 · Oct 30, 2018 · US
US-10099937-B2 · Oct 16, 2018 · US
US-2018009674-A1 · Jan 11, 2018 · US
US-2017050859-A1 · Feb 23, 2017 · US
US-2017001875-A1 · Jan 5, 2017 · US
US-2015140791-A1 · May 21, 2015 · US