Exhaust gas purification catalyst and method for producing the same
US-2016296912-A1 · Oct 13, 2016 · US
Multiple impregnation or coating
Multiple impregnation or coating · 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 | B01J37/024 |
| Official title | {Multiple impregnation or coating} |
| Display label | Multiple impregnation or coating |
| Total patents | 418 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 41 |
| 2016 | 41 |
| 2017 | 34 |
| 2018 | 35 |
| 2019 | 32 |
| 2020 | 40 |
| 2021 | 43 |
| 2022 | 52 |
| 2023 | 41 |
| 2024 | 25 |
| 2025 | 30 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Palladium, rhenium and alumina catalysts for the selective hydrogenation of carbonyls, their synthesis, and methods of using the same
US-2016279615-A1 · Sep 29, 2016 · US
Process for preparing a hydrotreating catalyst
US-2016271594-A1 · Sep 22, 2016 · US
Process for preparing a hydrotreating catalyst
US-2016264879-A1 · Sep 15, 2016 · US
Catalyst and method of catalyst manufacture
US-9387462-B2 · Jul 12, 2016 · US
Enclosed-channel reactor system and method to manufacture catalysts or support
US-9381509-B2 · Jul 5, 2016 · US
Catalyzed scr filter and emission treatment system
US-2016175823-A1 · Jun 23, 2016 · US
Process for the Manufacture of Propanediol
US-2016176794-A1 · Jun 23, 2016 · US
Catalytic system
US-9370772-B2 · Jun 21, 2016 · US
Stable support for Fischer-Tropsch catalyst
US-9370768-B2 · Jun 21, 2016 · US
Exhaust gas purifying catalyst
US-2016144344-A1 · May 26, 2016 · US
Support for fischer-tropsch catalyst having improved activity
US-2016089662-A1 · Mar 31, 2016 · US
Stable support for fischer-tropsch catalyst
US-2016067688-A1 · Mar 10, 2016 · US
Catalyst for C2 oxygenate synthesis, device for manufacturing C2 oxygenate, and method for manufacturing C2 oxygenate
US-9272971-B2 · Mar 1, 2016 · US
Methods for producing epoxidation catalysts and epoxidation methods utilizing them
US-9259726-B2 · Feb 16, 2016 · US
Fuel cell catalyst with metal oxide/phosphate support structure and method of manufacturing same
US-9252431-B2 · Feb 2, 2016 · US
Catalysts possessing an improved resistance to poisoning
US-9242211-B2 · Jan 26, 2016 · US
Stable support for Fischer-Tropsch catalyst
US-9233358-B1 · Jan 12, 2016 · US
Hydrotreatment catalyst with a high density of molybdenum, and process for its preparation
US-2016001272-A1 · Jan 7, 2016 · US
Selective hydrogenation catalyst and methods of making and using same
US-9221727-B2 · Dec 29, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J37/024?
- CPC B01J37/024 is the Cooperative Patent Classification code for “Multiple impregnation or coating.”
- How many patents are filed under CPC B01J37/024 (Multiple impregnation or coating)?
- Our database includes 418 publications tagged with this CPC code.
- Is patent activity under CPC B01J37/024 growing?
- Publication counts under this code: 25 in 2024 vs 30 in 2025 (latest complete years).