Carrier treatment to improve catalytic performance of an ethylene oxide catalyst
US-2017369460-A1 · Dec 28, 2017 · US
Aluminium oxide; Aluminium hydroxide; Aluminates · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01F7/02 |
| Official title | Aluminium oxide; Aluminium hydroxide; Aluminates |
| Display label | Aluminium oxide; Aluminium hydroxide; Aluminates |
| Total patents | 472 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 26 |
| 2017 | 56 |
| 2018 | 53 |
| 2019 | 66 |
| 2020 | 52 |
| 2021 | 48 |
| 2022 | 42 |
| 2023 | 38 |
| 2024 | 36 |
| 2025 | 20 |
| 2026 | 12 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2017369460-A1 · Dec 28, 2017 · US
US-9828253-B2 · Nov 28, 2017 · US
US-2017333877-A1 · Nov 23, 2017 · US
US-2017328123-A1 · Nov 16, 2017 · US
US-9758498-B2 · Sep 12, 2017 · US
US-2017229209-A1 · Aug 10, 2017 · US
US-2017210886-A1 · Jul 27, 2017 · US
US-9682103-B1 · Jun 20, 2017 · US
US-9656874-B2 · May 23, 2017 · US
US-2017136546-A1 · May 18, 2017 · US
US-2017120228-A1 · May 4, 2017 · US
US-9527774-B2 · Dec 27, 2016 · US
US-2016340557-A1 · Nov 24, 2016 · US
US-2016332939-A1 · Nov 17, 2016 · US
US-2016325269-A1 · Nov 10, 2016 · US
US-2016297687-A1 · Oct 13, 2016 · US
US-2016273264-A1 · Sep 22, 2016 · US
US-9425083-B2 · Aug 23, 2016 · US
US-2016236176-A1 · Aug 18, 2016 · US
US-9409149-B2 · Aug 9, 2016 · US
Answers are generated from the same data shown on this page.