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Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange

Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	C01G31/003
Official title	{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange}
Display label	Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
Total patents	7

Year-over-year patent counts classified under this CPC code.

Filing activity appears to be growing based on the most recent years.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.