Green membranes for organic solvent nanofiltration and pervaporation
US-2020406200-A1 · Dec 31, 2020 · US
Polysaccharides
Polysaccharides · 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 | B01D71/08 |
| Official title | Polysaccharides |
| Display label | Polysaccharides |
| Total patents | 116 |
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 | 8 |
| 2018 | 7 |
| 2019 | 18 |
| 2020 | 19 |
| 2021 | 13 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 7 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Agarose ultrafiltration membrane composites for size based separations
US-2020368696-A1 · Nov 26, 2020 · US
Agarose ultrafiltration membrane composites for size based separations
US-10737224-B2 · Aug 11, 2020 · US
Chitosan-graphene oxide membranes
US-2020215494-A1 · Jul 9, 2020 · US
Seaweed polysaccharide based superhydrophilic foam membrane for energy-efficient oil-water separation
US-10688446-B2 · Jun 23, 2020 · US
Systems and methods of debottlenecking propane feed
US-2020103165-A1 · Apr 2, 2020 · US
Methods of making high selectivity facilitated transport membranes, high selectivity facilitated transport membrane elements and modules
US-2020101416-A1 · Apr 2, 2020 · US
Electron beam induced modification of membranes by polymers
US-10471394-B2 · Nov 12, 2019 · US
High selectivity facilitated transport membranes and their use for olefin/paraffin separations
US-10471381-B2 · Nov 12, 2019 · US
Double crosslinked sodium alginate/polyvinyl alcohol composite nanofiltration membrane and preparation method thereof
US-10427104-B2 · Oct 1, 2019 · US
Porous nanocomposite polymer hydrogels for water treatment
US-2019292074-A1 · Sep 26, 2019 · US
Ultrafiltration membrane based on bacterial nanocellulose and graphene oxide
US-2019247793-A1 · Aug 15, 2019 · US
Porous nanocomposite polymer hydrogels for water treatment
US-10364163-B2 · Jul 30, 2019 · US
Gas Separation Membrane
US-2019193022-A1 · Jun 27, 2019 · US
Technology for extracting and preparing high-purity raffinose from defatted wheat germ
US-10301341-B2 · May 28, 2019 · US
Composition for removing radionuclide and method for removing radionuclide using the same
US-2019139664-A1 · May 9, 2019 · US
Microporous Membrane And Methods To Make Same
US-2019076787-A1 · Mar 14, 2019 · US
Hollow microfiber
US-10221382-B2 · Mar 5, 2019 · US
High selectivity facilitated transport membrane comprising polyethersulfone/polyethylene oxide-polysilsesquioxane blend membrane for olefin/paraffin separations
US-2019060841-A1 · Feb 28, 2019 · US
High flux reverse osmosis membrane comprising polyethersulfone/polyethylene oxide-polysilsesquioxane blend membrane for water purification
US-2019060844-A1 · Feb 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D71/08?
- CPC B01D71/08 is the Cooperative Patent Classification code for “Polysaccharides.”
- How many patents are filed under CPC B01D71/08 (Polysaccharides)?
- Our database includes 116 publications tagged with this CPC code.
- Is patent activity under CPC B01D71/08 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).