consisting of a single element or compound

consisting of a single element or compound · 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 codeC25B11/057
Official titleconsisting of a single element or compound
Display labelconsisting of a single element or compound
Total patents344

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20157
201623
201720
201839
201952
202048
202142
202230
202332
202421
202523
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 C25B11/057?
CPC C25B11/057 is the Cooperative Patent Classification code for “consisting of a single element or compound.”
How many patents are filed under CPC C25B11/057 (consisting of a single element or compound)?
Our database includes 344 publications tagged with this CPC code.
Is patent activity under CPC C25B11/057 growing?
Publication counts under this code: 21 in 2024 vs 23 in 2025 (latest complete years).