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using acid dyes

using acid dyes · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeD06P3/521
Official title{using acid dyes}
Display labelusing acid dyes
Total patents4

Filing trend

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

Filing activity appears stable based on the most recent years.

Patents filed per year
YearPatents
20151
20201
20211
20241

Representative patents

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