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Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only

Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

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CPC classification statistics
Metric	Value
CPC code	C09J161/18
Official title	Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only
Display label	Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only
Total patents	7

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

Filing activity over the last five years is stable.

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