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Acids, anhydrides or salts thereof

Acids, anhydrides or salts thereof · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA21D2/145
Official title{Acids, anhydrides or salts thereof}
Display labelAcids, anhydrides or salts thereof
Total patents23

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20152
20161
20171
20184
20192
20203
20224
20232
20244

Representative patents

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