Forming a treated switchable polymer and use thereof in a forward osmosis system
US-2021323844-A1 · Oct 21, 2021 · US
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by physical means, e.g. osmosis or filtration
by physical means, e.g. osmosis or filtration · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C13B20/16 |
| Official title | by physical means, e.g. osmosis or filtration |
| Display label | by physical means, e.g. osmosis or filtration |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Processing biomass
US-2019048428-A1 · Feb 14, 2019 · US
Processing biomass
US-2018355446-A1 · Dec 13, 2018 · US
Device for degassing liquids
US-10150060-B2 · Dec 11, 2018 · US
Method for recovering saccharide from saccharified slurry, and washing device for washing residue
US-9850550-B2 · Dec 26, 2017 · US
Process for purifying beet juice
US-9765410-B2 · Sep 19, 2017 · US
Sugar melting
US-9631245-B2 · Apr 25, 2017 · US
Method for producing sugar solution
US-9598740-B2 · Mar 21, 2017 · US
Method for increasing the yield in lactose production (I)
US-9476105-B2 · Oct 25, 2016 · US
Method and installation for purifying a liquid product
US-2016222474-A1 · Aug 4, 2016 · US
Processing biomass
US-2016201152-A1 · Jul 14, 2016 · US
Processing biomass
US-2016201151-A1 · Jul 14, 2016 · US
Process for purifying beet juice
US-2016060719-A1 · Mar 3, 2016 · US
Method for recovering saccharide from saccharified slurry, and washing device for washing residue
US-2015329925-A1 · Nov 19, 2015 · US
Sugar melting
US-2015184258-A1 · Jul 2, 2015 · US
Device for Degassing Liquids
US-2015174507-A1 · Jun 25, 2015 · US
Device for turbulence reduction
US-9023216-B2 · May 5, 2015 · US