Method for producing octahedron transition metal dichalcogenides using plasma
US-2021395889-A1 · Dec 23, 2021 · US
Operations & Transport
Operations & Transport · 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 | B01J27/047 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 93 |
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 | 10 |
| 2016 | 10 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 11 |
| 2020 | 8 |
| 2021 | 16 |
| 2022 | 5 |
| 2023 | 10 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of making a hydrodesulfurization catalyst with a structural directing surfactant
US-2021380890-A1 · Dec 9, 2021 · US
Doped carbonaceous materials for photocatalytic removal of pollutants under visible light, making methods and applications of same
US-2021370272-A1 · Dec 2, 2021 · US
CoMoS CATALYST PREPARATION METHOD USING A TRIBLOCK COPOLYMER
US-2021363435-A1 · Nov 25, 2021 · US
Method of preparing silica supported CoMoS hydrodesulfurization catalysts
US-11168267-B2 · Nov 9, 2021 · US
Highly active multimetallic materials using short-chain alkyl quaternary ammonium compounds
US-11078088-B2 · Aug 3, 2021 · US
Oxidative dehydrogenation of alkanes to alkenes using sulfur as an oxidant
US-2021188741-A1 · Jun 24, 2021 · US
Hydroprocessing of hydrocarbon feeds with a catalyst comprising an aluminium material comprising carbon
US-2021171839-A1 · Jun 10, 2021 · US
METHOD OF PREPARING SILICA SUPPORTED CoMoS HYDRODESULFURIZATION CATALYSTS
US-2021024435-A1 · Jan 28, 2021 · US
Highly active quaternary metallic materials using short-chain alkyl quaternary ammonium compounds
US-10843176-B2 · Nov 24, 2020 · US
Highly active trimetallic materials using short-chain alkyl quaternary ammonium compounds
US-10822247-B2 · Nov 3, 2020 · US
Method for the photocatalytic reduction of carbon dioxide implementing a supported photocatalyst made from molybdenum sulfide or tungsten sulfide
US-2020276572-A1 · Sep 3, 2020 · US
Sulfide-based alkane dehydrogenation catalysts
US-10722871-B2 · Jul 28, 2020 · US
Template-Assisted Synthesis of 2D Nanosheets Using Nanoparticle Templates
US-2020223712-A1 · Jul 16, 2020 · US
Semiconductor nanocrystals
US-2020203472-A1 · Jun 25, 2020 · US
Template-assisted synthesis of 2D nanosheets using nanoparticle templates
US-10662074-B2 · May 26, 2020 · US
Methods for Making Supported Chromium Catalysts with Increased Polymerization Activity
US-2020094225-A1 · Mar 26, 2020 · US
Transition metal molybdotungstate material
US-2019388878-A1 · Dec 26, 2019 · US
Nanostructured photocatalysts and doped wide-bandgap semiconductors
US-10449530-B2 · Oct 22, 2019 · US
Highly active quaternary metallic materials using short-chain alkyl quaternary ammonium compounds
US-2019185344-A1 · Jun 20, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J27/047?
- CPC B01J27/047 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B01J27/047 (Operations & Transport)?
- Our database includes 93 publications tagged with this CPC code.
- Is patent activity under CPC B01J27/047 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).