PatentsDB

containing also phosphates

containing also phosphates · 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 codeC23C22/33
Official titlecontaining also phosphates
Display labelcontaining also phosphates
Total patents75

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
20151
20162
20171
20185
20192
20204
20219
202217
20233
202414
202515
20262

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 C23C22/33?
CPC C23C22/33 is the Cooperative Patent Classification code for “containing also phosphates.”
How many patents are filed under CPC C23C22/33 (containing also phosphates)?
Our database includes 75 publications tagged with this CPC code.
Is patent activity under CPC C23C22/33 growing?
Publication counts under this code: 14 in 2024 vs 15 in 2025 (latest complete years).