Catalyst for mass production of multi-wall carbon nanotubes
US-11524277-B2 · Dec 13, 2022 · US
combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J23/76 |
| Official title | combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 |
| Display label | combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 |
| Total patents | 83 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 8 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microwave synthesis of iron oxide catalysts for cold start NOx removal
US-11471873-B2 · Oct 18, 2022 · US
Catalyst for dehydrogenating organic hydrogen storage raw material, carrier for catalyst, hydrogen storage alloy, and method for providing high purity hydrogen
US-2022258133-A1 · Aug 18, 2022 · US
Functional structure
US-2022048014-A1 · Feb 17, 2022 · US
Non-PGM ammonia slip catalyst
US-11198094-B2 · Dec 14, 2021 · US
Method for producing ferrite-based coated catalyst and method for producing butadiene by using same
US-11167271-B2 · Nov 9, 2021 · US
Catalyst system for oxidative dehydrogenation, reactor for preparing butadiene including catalyst system, and method of preparing 1,3-butadiene
US-10994265-B2 · May 4, 2021 · US
Method for producing ferrite-based coating catalyst and method for producing butadiene by using same
US-2021114001-A1 · Apr 22, 2021 · US
Catalyst for oxychlorination process of hydrocarbon, method for producing same, and method for manufacturing oxychlorinated compound of hydrocarbon by using same
US-2021086168-A1 · Mar 25, 2021 · US
Thermally Stable Monolith Catalysts for Methane Reforming and Preparing Method of the Same
US-2021077983-A1 · Mar 18, 2021 · US
Method of preparing catalyst for oxidative dehydrogenation
US-10926246-B2 · Feb 23, 2021 · US
Method for producing ferrite-based coating catalyst and method for producing butadiene by using same
US-2021039075-A1 · Feb 11, 2021 · US
MICROWAVE SYNTHESIS OF IRON OXIDE CATALYSTS FOR COLD START NOx REMOVAL
US-2021023546-A1 · Jan 28, 2021 · US
Catalysts for petrochemical catalysis
US-2020377429-A1 · Dec 3, 2020 · US
Catalyst manufacturing method
US-10843174-B2 · Nov 24, 2020 · US
Butadiene preparation method providing excellent catalyst reproducibility
US-10730809-B2 · Aug 4, 2020 · US
Nickel alloy catalysts for light alkane dehydrogenation
US-2020238259-A1 · Jul 30, 2020 · US
Process for the production of semifluorinated alkanes
US-10717691-B2 · Jul 21, 2020 · US
Catalysts for petrochemical catalysis
US-10654769-B2 · May 19, 2020 · US
Process for the production of semifluorinated alkanes
US-2020140358-A1 · May 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J23/76?
- CPC B01J23/76 is the Cooperative Patent Classification code for “combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36.”
- How many patents are filed under CPC B01J23/76 (combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC B01J23/76 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).