Fluoride trapping arrangement
US-10703771-B2 · Jul 7, 2020 · US
Processes using organic exchangers
Processes using organic exchangers · 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 | B01J41/04 |
| Official title | Processes using organic exchangers |
| Display label | Processes using organic exchangers |
| Total patents | 128 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 8 |
| 2017 | 16 |
| 2018 | 13 |
| 2019 | 13 |
| 2020 | 18 |
| 2021 | 10 |
| 2022 | 13 |
| 2023 | 11 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Separating agent for human insulin purification and human insulin purification method
US-2019359649-A1 · Nov 28, 2019 · US
Method and system for producing purified aqueous hydrogen peroxide solution
US-2019352179-A1 · Nov 21, 2019 · US
Reclaiming device, reclaiming method, and recovery unit for CO2 or H2S or both
US-10471379-B2 · Nov 12, 2019 · US
Filter medium and method for producing such a filter medium
US-2019314749-A1 · Oct 17, 2019 · US
Lipophilic guanidinium compounds for removal of oxyanions from aqueous solutions
US-2019299124-A1 · Oct 3, 2019 · US
Anion exchange stationary phases based on crosslinked hydroxyalkylamine layer and glycidol
US-2019291094-A1 · Sep 26, 2019 · US
Composite anion exchange membrane, method for producing the same, ion exchange membrane module, and ion exchange device
US-10421044-B2 · Sep 24, 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
Ion exchange fiber, water purification filter and water treatment method
US-2019217286-A1 · Jul 18, 2019 · US
Bipolar ion exchange sheet and manufacturing method therefor
US-10300478-B2 · May 28, 2019 · US
Ion exchange stationary phases for analyzying polyvalent ions
US-2019134621-A1 · May 9, 2019 · US
Virus reduction method
US-10280195-B2 · May 7, 2019 · US
Macrocycle with repeating triazole-carbazole units
US-10202395-B2 · Feb 12, 2019 · US
Alkenyl(perfluoroalkyl)phosphinic acids
US-10160777-B2 · Dec 25, 2018 · US
Process using ion exchange resins for the treatment of wastewater emanating from purified terephthalic acid production
US-2018346350-A1 · Dec 6, 2018 · US
Functional polymer membrane and method for producing same
US-10112151-B2 · Oct 30, 2018 · US
Metal contamination inhibitor, metal contamination inhibition membrane, method for preventing metal contamination, and method for cleaning product
US-2018257066-A1 · Sep 13, 2018 · US
Organosilicon material for the decontamination of water
US-2018207612-A1 · Jul 26, 2018 · US
Method of purifying nucleic acids and kit for purifying nucleic acids
US-10023860-B2 · Jul 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J41/04?
- CPC B01J41/04 is the Cooperative Patent Classification code for “Processes using organic exchangers.”
- How many patents are filed under CPC B01J41/04 (Processes using organic exchangers)?
- Our database includes 128 publications tagged with this CPC code.
- Is patent activity under CPC B01J41/04 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).