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Preparation by working up natural or industrial salt mixtures or siliceous minerals

Preparation by working up natural or industrial salt mixtures or siliceous minerals · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC01D3/08
Official titlePreparation by working up natural or industrial salt mixtures or siliceous minerals
Display labelPreparation by working up natural or industrial salt mixtures or siliceous minerals
Total patents13

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20152
20162
20173
20182
20191
20201
20212

Representative patents

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