Gamma irradiation of ion exchange resins to remove or trap halogenated impurities
US-10882965-B2 · Jan 5, 2021 · US
Macromolecular compounds
Macromolecular compounds · 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 | B01J41/12 |
| Official title | Macromolecular compounds |
| Display label | Macromolecular compounds |
| Total patents | 115 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 6 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 11 |
| 2020 | 8 |
| 2021 | 15 |
| 2022 | 9 |
| 2023 | 14 |
| 2024 | 8 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ion-conducting membrane production method and production device
US-10774190-B2 · Sep 15, 2020 · US
Ion-conducting membrane production method and production device
US-2020262990-A1 · Aug 20, 2020 · US
Method for removing silica in salt water
US-2020207644-A1 · Jul 2, 2020 · US
Method and system for treating aqueous fluid resulting from fluoropolymer production step
US-2020171417-A1 · Jun 4, 2020 · US
Process for producing Gallium-68 through the irradiation of a solution target
US-10600528-B2 · Mar 24, 2020 · US
Sterile chromatography resin and use thereof in manufacturing processes
US-2020069822-A1 · Mar 5, 2020 · US
Sorbent cartridge to measure solute concentrations
US-10532142-B2 · Jan 14, 2020 · US
High-purity carboxylic acid ester and method for producing same
US-2020002264-A1 · Jan 2, 2020 · US
Multimodal chromatographic media for protein separation
US-2019358621-A1 · Nov 28, 2019 · US
Contaminants removal with simultaneous desalination using carbon dioxide regenerated hybrid ion exchanger nanomaterials
US-10472261-B2 · Nov 12, 2019 · US
Method for producing alcohol compound
US-2019300465-A1 · Oct 3, 2019 · US
Ion exchange membrane and filter module using same
US-2019282966-A1 · Sep 19, 2019 · US
Ion exchange membrane, ion exchange membrane laminated body provided with ion exchange membrane, electrochemical cell provided with ion exchange membrane laminated body, and water treatment apparatus provided with electrochemical cell
US-10392273-B2 · Aug 27, 2019 · US
Anion exchange membrane with hydrophilic moieties
US-2019168170-A1 · Jun 6, 2019 · US
Method for producing polymer, and polymer
US-10307752-B2 · Jun 4, 2019 · US
Bipolar ion exchange sheet and manufacturing method therefor
US-10300478-B2 · May 28, 2019 · US
Purification process for hydrophilic organic solvent
US-2019009266-A1 · Jan 10, 2019 · US
Purification process for hydrolysable organic solvent
US-2019009267-A1 · Jan 10, 2019 · US
Process for producing Gallium-68 through the irradiation of a solution target
US-2019013108-A1 · Jan 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J41/12?
- CPC B01J41/12 is the Cooperative Patent Classification code for “Macromolecular compounds.”
- How many patents are filed under CPC B01J41/12 (Macromolecular compounds)?
- Our database includes 115 publications tagged with this CPC code.
- Is patent activity under CPC B01J41/12 growing?
- Publication counts under this code: 8 in 2024 vs 9 in 2025 (latest complete years).