Hybrid catalyst for selective and stable olefin production
US-11548835-B2 · Jan 10, 2023 · US
containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J29/58 |
| Official title | containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium |
| Display label | containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium |
| Total patents | 20 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11548835-B2 · Jan 10, 2023 · US
US-11471863-B2 · Oct 18, 2022 · US
US-2022001371-A1 · Jan 6, 2022 · US
US-11198116-B2 · Dec 14, 2021 · US
US-2021371355-A1 · Dec 2, 2021 · US
US-11077432-B2 · Aug 3, 2021 · US
US-11014077-B2 · May 25, 2021 · US
US-2020384449-A1 · Dec 10, 2020 · US
US-10369552-B2 · Aug 6, 2019 · US
US-2019201885-A1 · Jul 4, 2019 · US
US-2019134615-A1 · May 9, 2019 · US
US-2019134617-A1 · May 9, 2019 · US
US-10226765-B2 · Mar 12, 2019 · US
US-2018297017-A1 · Oct 18, 2018 · US
US-10022710-B2 · Jul 17, 2018 · US
US-2017144143-A1 · May 25, 2017 · US
US-2017128922-A1 · May 11, 2017 · US
US-9579603-B2 · Feb 28, 2017 · US
US-2016045868-A1 · Feb 18, 2016 · US
US-2015051063-A1 · Feb 19, 2015 · US