A transition metal-doped iridium-based composite catalyst and its preparation and use
US-2025347009-A1 · Nov 13, 2025 · US
with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
with 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.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J23/64 |
| Official title | with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium |
| Display label | with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst for hydrogen evolution reaction containing ruthenium-based alloy, water electrolysis electrode containing the same, and method of manufacturing the same
US-2025250698-A1 · Aug 7, 2025 · US
Ammonia decomposition catalyst systems
US-12297108-B2 · May 13, 2025 · US
Ammonia decomposition catalyst systems
US-2024132348-A1 · Apr 25, 2024 · US
Ammonia decomposition catalyst systems
US-11891301-B2 · Feb 6, 2024 · US
Methods for conditioning an ethylene epoxidation catalyst and associated methods for the production of ethylene oxide
US-11801493-B2 · Oct 31, 2023 · US
Functional structural body and method for making functional structural body
US-11648543-B2 · May 16, 2023 · US
Method of manufacturing catalyst ink free of eluted transition metal for fuel cell
US-11539054-B2 · Dec 27, 2022 · US
Methods and systems for a diesel oxidation catalyst
US-11143073-B2 · Oct 12, 2021 · US
Method of manufacturing catalyst ink free of eluted transition metal for fuel cell
US-2021288335-A1 · Sep 16, 2021 · US
Catalyst and method for direct conversion of syngas to light olefins
US-10960387-B2 · Mar 30, 2021 · US
Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst
US-10865179-B2 · Dec 15, 2020 · US
Process for producing hydrofluoroolefin
US-10781151-B2 · Sep 22, 2020 · US
Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst
US-2020216381-A1 · Jul 9, 2020 · US
Methods and systems for a diesel oxidation catalyst
US-2020173324-A1 · Jun 4, 2020 · US
Functional structural body and method for making functional structural body
US-2020108378-A1 · Apr 9, 2020 · US
Catalyst
US-10615423-B2 · Apr 7, 2020 · US
Methods and systems for a diesel oxidation catalyst
US-10598061-B2 · Mar 24, 2020 · US
Ammonia Decomposition Catalyst Systems
US-2020062590-A1 · Feb 27, 2020 · US
Method for producing unsaturated aldehyde and unsaturated carboxylic acid
US-10428007-B2 · Oct 1, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J23/64?
- CPC B01J23/64 is the Cooperative Patent Classification code for “with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium.”
- How many patents are filed under CPC B01J23/64 (with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC B01J23/64 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).