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Purification, separation, stabilisation, use of additives

Purification, separation, stabilisation, use of additives · 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 codeC07C273/189
Official title{Purification, separation, stabilisation, use of additives}
Display labelPurification, separation, stabilisation, use of additives
Total patents15

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20171
20202
20212
20225
20232
20243

Representative patents

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