Self-indicating colorimetric response materials for removal and sensing of toxic chemicals and narcotics
US-11402322-B1 · Aug 2, 2022 · US
characterised by their form
characterised by their form · 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 | B01J20/28014 |
| Official title | {characterised by their form} |
| Display label | characterised by their form |
| Total patents | 109 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 11 |
| 2019 | 8 |
| 2020 | 11 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 11 |
| 2024 | 17 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Self-indicating colorimetric response materials for removal and sensing of toxic chemicals and narcotics
US-11385169-B1 · Jul 12, 2022 · US
Exhaust gas treatment system
US-2022040637-A1 · Feb 10, 2022 · US
Heterogeneous agglomeration adsorbent for heavy metal adsorption, method for preparing same, and applications thereof
US-2021370225-A1 · Dec 2, 2021 · US
Two-dimensional clay based composite phosphorus removing agent and preparation method and application thereof
US-11053128-B2 · Jul 6, 2021 · US
Synergistic iron and clay-based green environmental media for nutrient removal
US-10947131-B2 · Mar 16, 2021 · US
Magnetic cesium adsorbent, preparation method therefor, and cesium removal method using same
US-10933401-B2 · Mar 2, 2021 · US
Graphene-based inorganic-organic hybrid materials and separation of racemic mixtures
US-10864460-B2 · Dec 15, 2020 · US
Two-dimensional clay based composite phosphorus removing agent and preparation method and application thereof
US-2020385276-A1 · Dec 10, 2020 · US
Method for preparing an adsorbent material comprising a step of basic mixing, and method for extracting lithium from saline solutions using said material
US-10850254-B2 · Dec 1, 2020 · US
Aerogel carrying active material and composite of hydrogel and the aerogel
US-2020345882-A1 · Nov 5, 2020 · US
Iron filings-based green environmental media for nutrient removal and methods of use
US-10787373-B2 · Sep 29, 2020 · US
Self-indicating colorimetric response materials for removal and sensing of toxic chemicals and narcotics
US-10732098-B1 · Aug 4, 2020 · US
Synergistic iron and clay-based green environmental media for nutrient removal
US-2020223715-A1 · Jul 16, 2020 · US
Iron filings-based green environmental media for nutrient removal and methods of use
US-2020223716-A1 · Jul 16, 2020 · US
Adsorbent for hydrocarbon recovery
US-2020222848-A1 · Jul 16, 2020 · US
Water treatment using an iron and clay-based sorption media
US-10696567-B2 · Jun 30, 2020 · US
Adsorbent for hydrocarbon recovery
US-10639583-B2 · May 5, 2020 · US
Method for removing heavy metals from wastewater
US-10501341-B2 · Dec 10, 2019 · US
Multi-stage blood purification apparatus for removal of toxins
US-2019328952-A1 · Oct 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J20/28014?
- CPC B01J20/28014 is the Cooperative Patent Classification code for “characterised by their form.”
- How many patents are filed under CPC B01J20/28014 (characterised by their form)?
- Our database includes 109 publications tagged with this CPC code.
- Is patent activity under CPC B01J20/28014 growing?
- Publication counts under this code: 17 in 2024 vs 14 in 2025 (latest complete years).