Method of Fabricating Annular Carrier Catalyst
US-2016375425-A1 · Dec 29, 2016 · US
less than 2 nm
less than 2 nm · 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 | B01J35/643 |
| Official title | {less than 2 nm} |
| Display label | less than 2 nm |
| Total patents | 574 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 25 |
| 2016 | 38 |
| 2017 | 45 |
| 2018 | 65 |
| 2019 | 50 |
| 2020 | 66 |
| 2021 | 71 |
| 2022 | 54 |
| 2023 | 58 |
| 2024 | 53 |
| 2025 | 40 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oxide materials and synthesis by fluoride/chloride anion promoted exfoliation
US-9522390-B2 · Dec 20, 2016 · US
Ferrous zeolite, method for producing ferrous zeolites, and method for catalytically reducing nitrous oxides
US-9517461-B2 · Dec 13, 2016 · US
Carbide-derived carbons having incorporated metal chloride or metallic nanoparticles
US-2016310929-A1 · Oct 27, 2016 · US
Methods and catalysts for green biodiesel production from unrefined low grade feedstock
US-2016279616-A1 · Sep 29, 2016 · US
Catalysts and Related Methods for Photocatalytic Production of H2O2 and Thermocatalytic Reactant Oxidation
US-2016272495-A1 · Sep 22, 2016 · US
Process for oxygenate to olefin conversion using 2-d pentasil zeolite
US-2016257624-A1 · Sep 8, 2016 · US
Enhanced propylene production in oto process with modified zeolites
US-2016257623-A1 · Sep 8, 2016 · US
High meso-surface area and high acid site density pentasil zeolite for use in xylene conversion
US-2016257632-A1 · Sep 8, 2016 · US
Catalyst for producing higher silane and process for producing higher silane
US-2016257571-A1 · Sep 8, 2016 · US
HIGH MESO-SURFACE AREA, LOW Si/Al RATIO PENTASIL ZEOLITE
US-2016256857-A1 · Sep 8, 2016 · US
Yields in xylene isomerization using layer mfi zeolites
US-2016257631-A1 · Sep 8, 2016 · US
Porous carbon and method of preparing the same
US-9428390-B2 · Aug 30, 2016 · US
Cellular solid composite material comprising metal nanoparticles, preparation process and uses for the reversible storage of hydrogen
US-2016236177-A1 · Aug 18, 2016 · US
Carbon powder for catalyst, catalyst, electrode catalyst layer, membrane electrode assembly, and fuel cell using the carbon powder
US-2016233520-A1 · Aug 11, 2016 · US
Catalyst support for purification of exhaust gas, catalyst for purification of exhaust gas using the same, and method for producing the catalyst support for purification of exhaust gas
US-9409152-B2 · Aug 9, 2016 · US
Process for Preparing a Molecular Sieve
US-2016221832-A1 · Aug 4, 2016 · US
Metal catalyst composition
US-9403150-B2 · Aug 2, 2016 · US
Pentasil-type zeolite, and method for manufacturing same
US-2016199824-A1 · Jul 14, 2016 · US
Process for hydrodesulphuration of gasoline cuts using a catalyst based on heteropolyanions trapped in a mesostructured silica support
US-9376636-B2 · Jun 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J35/643?
- CPC B01J35/643 is the Cooperative Patent Classification code for “less than 2 nm.”
- How many patents are filed under CPC B01J35/643 (less than 2 nm)?
- Our database includes 574 publications tagged with this CPC code.
- Is patent activity under CPC B01J35/643 growing?
- Publication counts under this code: 53 in 2024 vs 40 in 2025 (latest complete years).