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Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen

Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen · 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 codeC08J2461/20
Official titleCondensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
Display labelCondensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
Total patents15

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20151
20191
20204
20223
20232
20242
20252

Representative patents

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