Production process of film and column for cation chromatography
US-9579629-B2 · Feb 28, 2017 · US
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Operations & Transport
Operations & Transport · 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 | B01J39/165 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Purification of metals
US-9527072-B2 · Dec 27, 2016 · US
Porous polymer networks and ion-exchange media and metal-polymer composites made therefrom
US-9468923-B2 · Oct 18, 2016 · US
Solid support with a grafted chain
US-9290580-B2 · Mar 22, 2016 · US
Method for production of chromatography media
US-9259729-B2 · Feb 16, 2016 · US
Porous polymer networks and ion-exchange media and metal-polymer composites made therefrom
US-2015190799-A1 · Jul 9, 2015 · US
Solid support with a grafted chain
US-9018267-B2 · Apr 28, 2015 · US