Method for carrying out a chemical reaction in an upflow reactor
US-2024042406-A1 · Feb 8, 2024 · 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 | B01J35/023 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 1,859 |
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 | 118 |
| 2016 | 182 |
| 2017 | 189 |
| 2018 | 218 |
| 2019 | 212 |
| 2020 | 241 |
| 2021 | 242 |
| 2022 | 226 |
| 2023 | 171 |
| 2024 | 60 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst for reforming tar used in the steam gasification of biomass
US-9221033-B2 · Dec 29, 2015 · US
Selective hydrogenation catalyst and methods of making and using same
US-9221727-B2 · Dec 29, 2015 · US
Catalyst for producing unsaturated aldehyde and/or unsaturated carboxylic acid, and process for producing unsaturated aldehyde and/or unsaturated carboxylic acid using the catalyst
US-9205414-B2 · Dec 8, 2015 · US
Zeolite ZSM-18, its synthesis and its use
US-9205421-B2 · Dec 8, 2015 · US
Catalyst and method for producing maleic anhydride
US-2015343433-A1 · Dec 3, 2015 · US
Process for oligomerizing olefins
US-9200216-B2 · Dec 1, 2015 · US
Carbon nanotube ponytails
US-2015321168-A1 · Nov 12, 2015 · US
A composite oxide, preparation method for same, and application thereof
US-2015321179-A1 · Nov 12, 2015 · US
Method for the continuous production of an amine using an aluminum—copper catalyst
US-9174201-B2 · Nov 3, 2015 · US
Exhaust gas purification filter
US-2015298058-A1 · Oct 22, 2015 · US
Catalytic hollow fibers
US-2015298102-A1 · Oct 22, 2015 · US
Fluidized-bed reactor and hydrotreating method thereof
US-9162207-B2 · Oct 20, 2015 · US
Method for producing metal nanoparticle complex, and metal nanoparticle complex produced by said method
US-2015290635-A1 · Oct 15, 2015 · US
Process for making ethylene and acetic acid
US-9156764-B2 · Oct 13, 2015 · US
Iron-comprising heterogeneous catalyst and process for preparing olefins by reaction of carbon monoxide with hydrogen
US-9156026-B2 · Oct 13, 2015 · US
Non-PGM catalyst for burning carbon soot, and filtration filter and exhaust gas post-processing apparatus using the same
US-9155999-B2 · Oct 13, 2015 · US
Eggshell catalyst consisting of a hollow cylindrical support body and a catalytically active oxide material applied to the outer surface of the support body
US-9149799-B2 · Oct 6, 2015 · US
Catalyst for hydrolyzing cellulose or hemicellulose and method for producing sugar-containing solution employing same
US-9144785-B2 · Sep 29, 2015 · US
Method of manufacturing catalyst coating solution and catalyst body using the same
US-9138723-B2 · Sep 22, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J35/023?
- CPC B01J35/023 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B01J35/023 (Operations & Transport)?
- Our database includes 1,859 publications tagged with this CPC code.
- Is patent activity under CPC B01J35/023 growing?
- Publication counts under this code: 171 in 2023 vs 60 in 2024 (latest complete years).