Chlorides

Chlorides · 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 codeC01D3/04
Official titleChlorides
Display labelChlorides
Total patents78

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
201510
20162
20175
20185
20198
20205
20219
20227
20239
20246
202510
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 C01D3/04?
CPC C01D3/04 is the Cooperative Patent Classification code for “Chlorides.”
How many patents are filed under CPC C01D3/04 (Chlorides)?
Our database includes 78 publications tagged with this CPC code.
Is patent activity under CPC C01D3/04 growing?
Publication counts under this code: 6 in 2024 vs 10 in 2025 (latest complete years).