acting on phosphates (4.2.3)

acting on phosphates (4.2.3) · 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 codeC12Y402/03
Official titleacting on phosphates (4.2.3)
Display labelacting on phosphates (4.2.3)
Total patents69

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20153
20164
20173
20185
20198
20205
202112
20228
20239
20246
20253
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 C12Y402/03?
CPC C12Y402/03 is the Cooperative Patent Classification code for “acting on phosphates (4.2.3).”
How many patents are filed under CPC C12Y402/03 (acting on phosphates (4.2.3))?
Our database includes 69 publications tagged with this CPC code.
Is patent activity under CPC C12Y402/03 growing?
Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).