Bifunctional catalyst for deep desulfurization and gasoline quality improvement and preparation method therefor
US-2021354119-A1 · Nov 18, 2021 · US
Iron group metals or copper
Iron group metals or copper · 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 | B01J29/044 |
| Official title | {Iron group metals or copper} |
| Display label | Iron group metals or copper |
| Total patents | 101 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 12 |
| 2018 | 9 |
| 2019 | 12 |
| 2020 | 15 |
| 2021 | 11 |
| 2022 | 8 |
| 2023 | 12 |
| 2024 | 11 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite hierarchical zeolite catalyst for heavy reformate conversion to xylenes
US-10981160-B1 · Apr 20, 2021 · US
Olefin aromatization catalyst, preparation method and use thereof, and low-carbon olefin aromatization process
US-2021016261-A1 · Jan 21, 2021 · US
Zeolites, the production thereof, and their uses for upgrading heavy oils
US-2020368732-A1 · Nov 26, 2020 · US
Molecular sieve having mesopores, preparation method therefor, and application thereof
US-2020325029-A1 · Oct 15, 2020 · US
Hydrocracking catalyst based on hierarchically porous beta zeolite and method of preparing the same and method of preparing bio-jet fuel from triglyceride-containing biomass using the same
US-10793785-B2 · Oct 6, 2020 · US
Zeolites, the production thereof, and their uses for upgrading heavy oils
US-10773248-B2 · Sep 15, 2020 · US
Mesoporous metal titanates as multifunctional catalysts
US-2020261891-A1 · Aug 20, 2020 · US
Iron-loaded small pore aluminosilicate zeolites and method of making metal loaded small pore aluminosilicate zeolites
US-2020223708-A1 · Jul 16, 2020 · US
Supported core-shell bimetallic catalyst with high selectivity for propane dehydrogenation
US-2020122122-A1 · Apr 23, 2020 · US
Functional structural body and method for making functional structural body
US-2020115248-A1 · Apr 16, 2020 · US
Structured catalyst for methanol reforming, methanol reforming device, method for producing structured catalyst for methanol reforming, and method for producing at least one of olefin or aromatic hydrocarbon
US-2020114335-A1 · Apr 16, 2020 · US
Selective catalytic reduction articles and systems
US-2020108373-A1 · Apr 9, 2020 · US
Catalyst and method for preparing catalyst
US-2020086303-A1 · Mar 19, 2020 · US
Bimetallic Cu/Mn Catalysts for Selective Catalytic Reduction
US-2020070133-A1 · Mar 5, 2020 · US
Oligomerization of olefins derived from oxygenates
US-2020056106-A1 · Feb 20, 2020 · US
Scr method for reducing oxides of nitrogen and method for producing a catalyst for such method
US-2020018210-A1 · Jan 16, 2020 · US
Catalyst and method of preparing light olefin directly from synthesis gas by one-step process
US-10532961-B2 · Jan 14, 2020 · US
Catalyst and method for preparing catalyst
US-10518253-B2 · Dec 31, 2019 · US
Method for manufacturing of multi-level pore zeolite and utilization as catalyst for hydroisomerization of normal paraffins of multi-level pore zeolite prepared thereby
US-10428280-B2 · Oct 1, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J29/044?
- CPC B01J29/044 is the Cooperative Patent Classification code for “Iron group metals or copper.”
- How many patents are filed under CPC B01J29/044 (Iron group metals or copper)?
- Our database includes 101 publications tagged with this CPC code.
- Is patent activity under CPC B01J29/044 growing?
- Publication counts under this code: 11 in 2024 vs 2 in 2025 (latest complete years).