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Preparation of the impregnating solution
Preparation of the impregnating solution · 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 | B01J37/0213 |
| Official title | {Preparation of the impregnating solution} |
| Display label | Preparation of the impregnating solution |
| Total patents | 513 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 39 |
| 2017 | 31 |
| 2018 | 47 |
| 2019 | 52 |
| 2020 | 52 |
| 2021 | 61 |
| 2022 | 56 |
| 2023 | 40 |
| 2024 | 57 |
| 2025 | 42 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Highly dispersed palladium catalysts
US-2024246067-A1 · Jul 25, 2024 · US
Production of Aromatics from Di- and Polyoxygenates
US-2016362346-A1 · Dec 15, 2016 · US
Production of Aromatics from Di- and Polyoxygenates
US-2016332941-A1 · Nov 17, 2016 · US
Exhaust gas purification catalyst and method for producing the same
US-2016296912-A1 · Oct 13, 2016 · US
Catalyst for the epoxidation of alkenes
US-2016297781-A1 · Oct 13, 2016 · US
Method for manufacture of an alkane dehydrogenation catalyst
US-9452421-B2 · Sep 27, 2016 · US
Production of aromatics from di- and polyoxygenates
US-9440892-B2 · Sep 13, 2016 · US
Catalyst supports made from silicon carbide covered with TiO2 for Fischer-Tropsch synthesis
US-9416066-B2 · Aug 16, 2016 · US
Catalyst and method for its preparation
US-9409161-B2 · Aug 9, 2016 · US
Production of aromatics from di- and polyoxygenates
US-9403736-B2 · Aug 2, 2016 · US
Heterogeneous catalysts for the transesterification of aromatic alcohols; and methods of making and use thereof
US-2016207872-A1 · Jul 21, 2016 · US
Bimetallic Mercaptan Conversion Catalyst for Sweetening Liquefied Petroleum Gas at Low Temperature
US-2016199819-A1 · Jul 14, 2016 · US
Hydrogenation Catalyst, Its Method of Preparation and Use
US-2016193591-A1 · Jul 7, 2016 · US
Stable tin free catalysts for electroless metallization
US-9382626-B2 · Jul 5, 2016 · US
Chromium-free hydrogenation of hydroformylation mixtures
US-2016176792-A1 · Jun 23, 2016 · US
Coating methods using organosilica materials and uses thereof
US-2016167016-A1 · Jun 16, 2016 · US
Methods of separating aromatic compounds from lube base stocks
US-2016168484-A1 · Jun 16, 2016 · US
Membrane fabrication methods using organosilica materials and uses thereof
US-2016168485-A1 · Jun 16, 2016 · US
Organosilica materials and uses thereof
US-2016168173-A1 · Jun 16, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J37/0213?
- CPC B01J37/0213 is the Cooperative Patent Classification code for “Preparation of the impregnating solution.”
- How many patents are filed under CPC B01J37/0213 (Preparation of the impregnating solution)?
- Our database includes 513 publications tagged with this CPC code.
- Is patent activity under CPC B01J37/0213 growing?
- Publication counts under this code: 57 in 2024 vs 42 in 2025 (latest complete years).