Bimetallic Catalysts Supported on Zeolites for Selective Conversion of n-Butane to Ethane
US-2021316285-A1 · Oct 14, 2021 · US
Iron group metals or copper · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C2529/072 |
| Official title | Iron group metals or copper |
| Display label | Iron group metals or copper |
| Total patents | 83 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 12 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 10 |
| 2021 | 8 |
| 2022 | 13 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2021316285-A1 · Oct 14, 2021 · US
US-2021198165-A1 · Jul 1, 2021 · US
US-10987664-B2 · Apr 27, 2021 · US
US-10981845-B2 · Apr 20, 2021 · US
US-2021070672-A1 · Mar 11, 2021 · US
US-2021060540-A1 · Mar 4, 2021 · US
US-2021016261-A1 · Jan 21, 2021 · US
US-10875817-B2 · Dec 29, 2020 · US
US-2020377429-A1 · Dec 3, 2020 · US
US-2020330965-A1 · Oct 22, 2020 · US
US-10731085-B2 · Aug 4, 2020 · US
US-10654769-B2 · May 19, 2020 · US
US-10633302-B2 · Apr 28, 2020 · US
US-2020055034-A1 · Feb 20, 2020 · US
US-2020031737-A1 · Jan 30, 2020 · US
US-2020031732-A1 · Jan 30, 2020 · US
US-10526208-B2 · Jan 7, 2020 · US
US-10464864-B2 · Nov 5, 2019 · US
US-10450242-B2 · Oct 22, 2019 · US
US-2019283014-A1 · Sep 19, 2019 · US
Answers are generated from the same data shown on this page.