containing phosphorus

containing phosphorus · 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 codeC03C3/16
Official titlecontaining phosphorus
Display labelcontaining phosphorus
Total patents217

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
201521
201619
201723
201817
201922
202016
202121
202224
202320
202410
202516
20268

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 C03C3/16?
CPC C03C3/16 is the Cooperative Patent Classification code for “containing phosphorus.”
How many patents are filed under CPC C03C3/16 (containing phosphorus)?
Our database includes 217 publications tagged with this CPC code.
Is patent activity under CPC C03C3/16 growing?
Publication counts under this code: 10 in 2024 vs 16 in 2025 (latest complete years).