Composite adsorbent for separation of ethylbenzene by adsorption distillation and application thereof
US-12441672-B2 · Oct 14, 2025 · US
with the aid of auxiliary compounds · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C7/05 |
| Official title | with the aid of auxiliary compounds |
| Display label | with the aid of auxiliary compounds |
| Total patents | 66 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 11 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 8 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12441672-B2 · Oct 14, 2025 · US
US-12258313-B2 · Mar 25, 2025 · US
US-12017990-B2 · Jun 25, 2024 · US
US-2024150264-A1 · May 9, 2024 · US
US-11845721-B2 · Dec 19, 2023 · US
US-2023322648-A1 · Oct 12, 2023 · US
US-2023183153-A1 · Jun 15, 2023 · US
US-2023125062-A1 · Apr 20, 2023 · US
US-2022289647-A1 · Sep 15, 2022 · US
US-11434182-B2 · Sep 6, 2022 · US
US-2022274094-A1 · Sep 1, 2022 · US
US-11377403-B2 · Jul 5, 2022 · US
US-11306267-B2 · Apr 19, 2022 · US
US-11306047-B2 · Apr 19, 2022 · US
US-11230516-B2 · Jan 25, 2022 · US
US-11198108-B2 · Dec 14, 2021 · US
US-2021323897-A1 · Oct 21, 2021 · US
US-2021031164-A1 · Feb 4, 2021 · US
US-2020361835-A1 · Nov 19, 2020 · US
US-10814302-B2 · Oct 27, 2020 · US
Answers are generated from the same data shown on this page.