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Nitrogen-free carboxylic acids or their salts {(sulfocarboxylic acids D06P1/626)}

Nitrogen-free carboxylic acids or their salts {(sulfocarboxylic acids D06P1/626)} · 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 codeD06P1/653
Official titleNitrogen-free carboxylic acids or their salts {(sulfocarboxylic acids D06P1/626)}
Display labelNitrogen-free carboxylic acids or their salts {(sulfocarboxylic acids D06P1/626)}
Total patents16

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20182
20192
20203
20223
20232
20243
20251

Representative patents

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