Novel chitosan-biochar composite fiber for effective removal of phosphorus from aqueous solutions, manufacturing method therefor, and phosphorus adbsorbent composition comprising same
US-2022241751-A1 · Aug 4, 2022 · US
by pyrolysis · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F11/10 |
| Official title | by pyrolysis |
| Display label | by pyrolysis |
| Total patents | 97 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 12 |
| 2018 | 7 |
| 2019 | 14 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 9 |
| 2023 | 12 |
| 2024 | 9 |
| 2025 | 10 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2022241751-A1 · Aug 4, 2022 · US
US-11332401-B2 · May 17, 2022 · US
US-2022126267-A1 · Apr 28, 2022 · US
US-11289233-B2 · Mar 29, 2022 · US
US-2022068516-A1 · Mar 3, 2022 · US
US-2021380452-A1 · Dec 9, 2021 · US
US-11186502-B2 · Nov 30, 2021 · US
US-2021284926-A1 · Sep 16, 2021 · US
US-2021222071-A1 · Jul 22, 2021 · US
US-10991967-B2 · Apr 27, 2021 · US
US-2020406268-A1 · Dec 31, 2020 · US
US-10800692-B2 · Oct 13, 2020 · US
US-10711198-B2 · Jul 14, 2020 · US
US-10689282-B2 · Jun 23, 2020 · US
US-2020171556-A1 · Jun 4, 2020 · US
US-2020115664-A1 · Apr 16, 2020 · US
US-10611657-B2 · Apr 7, 2020 · US
US-2020071218-A1 · Mar 5, 2020 · US
US-10538447-B2 · Jan 21, 2020 · US
US-10501354-B2 · Dec 10, 2019 · US
Answers are generated from the same data shown on this page.