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Portland cements

Portland cements · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA61K6/851
Official titlePortland cements
Display labelPortland cements
Total patents22

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20154
20171
20181
20193
20203
20214
20223
20242
20251

Representative patents

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