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Amines or polyamines, e.g. aminopropyl, 1,3,4,-triamino-pentyl or polyethylene imine

Amines or polyamines, e.g. aminopropyl, 1,3,4,-triamino-pentyl or polyethylene imine · 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 codeC09B68/446
Official title{Amines or polyamines, e.g. aminopropyl, 1,3,4,-triamino-pentyl or polyethylene imine}
Display labelAmines or polyamines, e.g. aminopropyl, 1,3,4,-triamino-pentyl or polyethylene imine
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
20155
20172
20191
20202
20211
20222
20231
20251

Representative patents

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