Xylene isomerization
US-10099974-B2 · Oct 16, 2018 · US
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with ion-exchange resins
with ion-exchange resins · 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 | C07C5/2797 |
| Official title | {with ion-exchange resins} |
| Display label | with ion-exchange resins |
| Total patents | 4 |
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 | 1 |
| 2017 | 2 |
| 2018 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Xylene isomerization
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Flexible gasoline process using multiple feedstocks
US-9567534-B2 · Feb 14, 2017 · US
Flexible gasoline process using multiple feedstocks
US-2015299584-A1 · Oct 22, 2015 · US