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Means for preventing deterioration or loss of catalyst or for recovering lost catalyst

Means for preventing deterioration or loss of catalyst or for recovering lost catalyst · 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	C01B21/267
Official title	{Means for preventing deterioration or loss of catalyst or for recovering lost catalyst}
Display label	Means for preventing deterioration or loss of catalyst or for recovering lost catalyst
Total patents	9

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

Filing activity over the last five years is declining.

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