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Acids; Metal salts or ammonium salts thereof

Acids; Metal salts or ammonium salts thereof · 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 codeC08F20/64
Official titleAcids; Metal salts or ammonium salts thereof
Display labelAcids; Metal salts or ammonium salts thereof
Total patents14

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
20153
20166
20172
20182
20211

Representative patents

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