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Preparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clinker process

Preparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clinker process · 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 codeC01B25/232
Official titlePreparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clinker process
Display labelPreparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clinker process
Total patents6

Filing trend

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

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

Patents filed per year
YearPatents
20201
20234
20261

Representative patents

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