containing inorganic compounds

containing inorganic compounds · 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 codeC09K8/572
Official title{containing inorganic compounds}
Display labelcontaining inorganic compounds
Total patents133

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20165
201711
201813
201918
202021
202110
202214
202310
202415
202515
20261

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 C09K8/572?
CPC C09K8/572 is the Cooperative Patent Classification code for “containing inorganic compounds.”
How many patents are filed under CPC C09K8/572 (containing inorganic compounds)?
Our database includes 133 publications tagged with this CPC code.
Is patent activity under CPC C09K8/572 growing?
Publication counts under this code: 15 in 2024 vs 15 in 2025 (latest complete years).