Modified Cyclodextrin/mesoporous Silica for Adsorbing Pb and Cd and Application Thereof
US-2021371302-A1 · Dec 2, 2021 · US
Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton · 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 | B01J2220/4825 |
| Official title | Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton |
| Display label | Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton |
| Total patents | 119 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 6 |
| 2017 | 9 |
| 2018 | 9 |
| 2019 | 11 |
| 2020 | 13 |
| 2021 | 12 |
| 2022 | 11 |
| 2023 | 5 |
| 2024 | 18 |
| 2025 | 13 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing porous cellulose medium
US-11097251-B2 · Aug 24, 2021 · US
Carbon sorbent for removal of metal catalysts from pharmaceuticals
US-11077421-B2 · Aug 3, 2021 · US
Carbon dioxide capture, products incorporating or produced using captured carbon dioxide, and economic benefits associated with such products
US-2020407222-A1 · Dec 31, 2020 · US
Carbon Skeleton Reinforced Porous Starch and Preparation Method thereof
US-2020406227-A1 · Dec 31, 2020 · US
Highly porous aerogels
US-10875003-B2 · Dec 29, 2020 · US
Iron filings-based green environmental media for nutrient removal and methods of use
US-10787373-B2 · Sep 29, 2020 · US
Calcium alginate adsorbents
US-10751692-B2 · Aug 25, 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
Water treatment using an iron and clay-based sorption media
US-10696567-B2 · Jun 30, 2020 · US
Hemocompatible adsorber for the dialysis of protein-bound uremic toxins
US-10625241-B2 · Apr 21, 2020 · US
Hybrid hydrogel for highly efficient solar generation of steam
US-10611648-B2 · Apr 7, 2020 · US
Amine functionalized chitin for removing munitions compounds from solutions
US-2020102406-A1 · Apr 2, 2020 · US
Synthesis and application of MOFs/natural polymers composite beads adsorbents
US-10537873-B2 · Jan 21, 2020 · US
Use of stationary phase comprising fibril cellulose in separation methods
US-10527582-B2 · Jan 7, 2020 · US
Method for adsorbing ethylene gas using amorphous granular starch
US-10518215-B2 · Dec 31, 2019 · US
Optimized System and Method for Making Extruded Granular Absorbent and Clumping Granular Absorbent Product
US-2019350162-A1 · Nov 21, 2019 · US
Water treatment using an iron and clay-based sorption media
US-2019256374-A1 · Aug 22, 2019 · US
Microporous carbon monoliths from natural carbohydrates
US-10335763-B2 · Jul 2, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J2220/4825?
- CPC B01J2220/4825 is the Cooperative Patent Classification code for “Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton.”
- How many patents are filed under CPC B01J2220/4825 (Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton)?
- Our database includes 119 publications tagged with this CPC code.
- Is patent activity under CPC B01J2220/4825 growing?
- Publication counts under this code: 18 in 2024 vs 13 in 2025 (latest complete years).