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from hydroxy compounds of the benzene or naphthalene series

from hydroxy compounds of the benzene or naphthalene series · 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 codeC09B49/128
Official title{from hydroxy compounds of the benzene or naphthalene series}
Display labelfrom hydroxy compounds of the benzene or naphthalene series
Total patents2

Filing trend

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

Filing activity appears stable based on the most recent years.

Patents filed per year
YearPatents
20161
20181

Representative patents

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