Inorganic materials

Inorganic materials · 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 codeC03C2217/475
Official titleInorganic materials
Display labelInorganic materials
Total patents251

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
201525
201622
201725
201825
201915
202026
202119
202224
202318
202426
202521
20265

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 C03C2217/475?
CPC C03C2217/475 is the Cooperative Patent Classification code for “Inorganic materials.”
How many patents are filed under CPC C03C2217/475 (Inorganic materials)?
Our database includes 251 publications tagged with this CPC code.
Is patent activity under CPC C03C2217/475 growing?
Publication counts under this code: 26 in 2024 vs 21 in 2025 (latest complete years).