for corrosive chemicals

for corrosive chemicals · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB65D85/84
Official titlefor corrosive chemicals
Display labelfor corrosive chemicals
Total patents88

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
20159
20166
201713
20185
20197
202010
20216
20229
20235
20249
20257
20262

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 B65D85/84?
CPC B65D85/84 is the Cooperative Patent Classification code for “for corrosive chemicals.”
How many patents are filed under CPC B65D85/84 (for corrosive chemicals)?
Our database includes 88 publications tagged with this CPC code.
Is patent activity under CPC B65D85/84 growing?
Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).