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Temporary coatings or impregnations (C04B40/04 takes precedence)

Temporary coatings or impregnations (C04B40/04 takes precedence) · 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 codeC04B41/459
Official title{Temporary coatings or impregnations (C04B40/04 takes precedence)}
Display labelTemporary coatings or impregnations (C04B40/04 takes precedence)
Total patents24

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
20171
20193
20201
20215
20222
20234
20244
20254

Representative patents

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