Acids

Acids · 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 codeC11D7/08
Official titleAcids
Display labelAcids
Total patents314

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201529
201634
201723
201826
201930
202027
202129
202227
202325
202433
202524
20267

Representative patents

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

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C11D7/08?
CPC C11D7/08 is the Cooperative Patent Classification code for “Acids.”
How many patents are filed under CPC C11D7/08 (Acids)?
Our database includes 314 publications tagged with this CPC code.
Is patent activity under CPC C11D7/08 growing?
Publication counts under this code: 33 in 2024 vs 24 in 2025 (latest complete years).