Zinc oxide

Zinc oxide · 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 codeC09C1/043
Official title{Zinc oxide}
Display labelZinc oxide
Total patents241

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
201521
201625
201720
201824
201929
202020
202120
202226
202319
202415
202519
20263

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 C09C1/043?
CPC C09C1/043 is the Cooperative Patent Classification code for “Zinc oxide.”
How many patents are filed under CPC C09C1/043 (Zinc oxide)?
Our database includes 241 publications tagged with this CPC code.
Is patent activity under CPC C09C1/043 growing?
Publication counts under this code: 15 in 2024 vs 19 in 2025 (latest complete years).