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from amino compounds of the benzene, naphthalene or anthracene series

from amino compounds of the benzene, naphthalene or anthracene 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 codeC09B49/04
Official titlefrom amino compounds of the benzene, naphthalene or anthracene series
Display labelfrom amino compounds of the benzene, naphthalene or anthracene series
Total patents11

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20151
20165
20181
20233
20241

Representative patents

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