Platinum oxide colloidal solution, manufacturing method therefor, manufacture apparatus thereof, and method of injection noble metal of boiling water nuclear power plant
US-10504628-B2 · Dec 10, 2019 · 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 | B01J39/04 |
| Official title | Processes using organic exchangers |
| Display label | Processes using organic exchangers |
| Total patents | 145 |
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 | 11 |
| 2017 | 16 |
| 2018 | 19 |
| 2019 | 22 |
| 2020 | 20 |
| 2021 | 11 |
| 2022 | 9 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reclaiming device, reclaiming method, and recovery unit for CO2 or H2S or both
US-10471379-B2 · Nov 12, 2019 · US
Air filter comprising a multilayer filter material
US-10399027-B2 · Sep 3, 2019 · US
Bipolar ion exchange sheet and manufacturing method therefor
US-10300478-B2 · May 28, 2019 · US
SILVER RECOVERY AS Ag NANOPARTICLES FROM ION-EXCHANGE REGENERANT SOLUTION
US-2019151838-A1 · May 23, 2019 · US
Alkenyl(perfluoroalkyl)phosphinic acids
US-10160777-B2 · Dec 25, 2018 · US
Method for the separation of metal ions that are divalent or higher from strong acids or highly acidic media
US-10106426-B2 · Oct 23, 2018 · US
Silica synthesis
US-2018282169-A1 · Oct 4, 2018 · US
Microparticles for cell disruption and/or biomolecule recovery
US-10076749-B2 · Sep 18, 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
Liquid cation exchanger
US-10071951-B2 · Sep 11, 2018 · US
Swellable and insoluble nanofibers and use thereof in the treatment of essentially aqueous effluents
US-2018215882-A1 · Aug 2, 2018 · US
Method of purifying nucleic acids and kit for purifying nucleic acids
US-10023860-B2 · Jul 17, 2018 · US
Method for producing a Bisphenol
US-10005709-B2 · Jun 26, 2018 · US
Ion exchange membrane
US-2018141035-A1 · May 24, 2018 · US
Ion exchange membrane
US-2018141036-A1 · May 24, 2018 · US
Ion exchange membrane
US-2018126370-A1 · May 10, 2018 · US
Method for producing composition containing purified chlorogenic acids
US-9950985-B2 · Apr 24, 2018 · US
Method for treating oil-containing aqueous mixtures with cation exchange resin
US-9926211-B2 · Mar 27, 2018 · US
Branched-chain fatty acids as liquid cation exchangers
US-9919303-B2 · Mar 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J39/04?
- CPC B01J39/04 is the Cooperative Patent Classification code for “Processes using organic exchangers.”
- How many patents are filed under CPC B01J39/04 (Processes using organic exchangers)?
- Our database includes 145 publications tagged with this CPC code.
- Is patent activity under CPC B01J39/04 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).