Systems and processes for wastewater treatment
US-10961142-B1 · Mar 30, 2021 · US
Base exchange silicates, e.g. zeolites
Base exchange silicates, e.g. zeolites · 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 | B01J39/14 |
| Official title | Base exchange silicates, e.g. zeolites |
| Display label | Base exchange silicates, e.g. zeolites |
| Total patents | 89 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 13 |
| 2018 | 8 |
| 2019 | 11 |
| 2020 | 12 |
| 2021 | 10 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compositions for the removal of heavy metals
US-2021039993-A1 · Feb 11, 2021 · US
Process for removing mercury ions from bodily fluids using titanium metallate ion exchange compositions
US-2021008537-A1 · Jan 14, 2021 · US
Zeolite adsorbents having a high external surface area and uses thereof
US-10882002-B2 · Jan 5, 2021 · US
Composite material comprising porous silicate particles and active metals
US-10843182-B2 · Nov 24, 2020 · US
Methods for regenerating lithium-enriched salt baths
US-10843963-B2 · Nov 24, 2020 · US
Titanium stannate silicate, method of preparation and use thereof
US-10814310-B2 · Oct 27, 2020 · US
Ammonia removal in freshwater and saltwater systems
US-10766790-B2 · Sep 8, 2020 · US
Sulfides Electrolyte for Metal Processing and Extraction
US-2020247670-A1 · Aug 6, 2020 · US
Zeolite membrane structure
US-2020238225-A1 · Jul 30, 2020 · US
Zeolite membrane structure and method for producing same
US-10688445-B2 · Jun 23, 2020 · US
Methods for regenerating lithium-enriched salt baths
US-2020181011-A1 · Jun 11, 2020 · US
Development of a high-efficiency adsorbent from E-waste and aluminosilicate-based materials for the removal of toxic heavy metal ions from wastewater
US-10639623-B2 · May 5, 2020 · US
Porous article having polymer binder sub-micron particle
US-10596547-B2 · Mar 24, 2020 · US
Crystalline metallophosphates, their method of preparation, and use
US-10570021-B2 · Feb 25, 2020 · US
Methods for regenerating lithium-enriched salt baths
US-10556826-B2 · Feb 11, 2020 · US
Molding for a hydrophobic zeolitic material and process for its production
US-10434503-B2 · Oct 8, 2019 · US
One-step method for the synthesis of high silica content zeolites in organic-free media
US-10407312-B2 · Sep 10, 2019 · US
Separators for lithium-containing electrochemical cells and methods of making the same
US-2019229318-A1 · Jul 25, 2019 · US
CHA type zeolitic materials and methods for their preparation using combinations of cycloalkyl-and tetraalkylammonium compounds
US-10315924-B2 · Jun 11, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J39/14?
- CPC B01J39/14 is the Cooperative Patent Classification code for “Base exchange silicates, e.g. zeolites.”
- How many patents are filed under CPC B01J39/14 (Base exchange silicates, e.g. zeolites)?
- Our database includes 89 publications tagged with this CPC code.
- Is patent activity under CPC B01J39/14 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).