Phosphates of magnesium, calcium, strontium, or barium

Phosphates of magnesium, calcium, strontium, or barium · 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 codeC01B25/32
Official titlePhosphates of magnesium, calcium, strontium, or barium
Display labelPhosphates of magnesium, calcium, strontium, or barium
Total patents147

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
201514
20169
201715
201817
201912
202026
202114
20228
202310
202411
20259
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 C01B25/32?
CPC C01B25/32 is the Cooperative Patent Classification code for “Phosphates of magnesium, calcium, strontium, or barium.”
How many patents are filed under CPC C01B25/32 (Phosphates of magnesium, calcium, strontium, or barium)?
Our database includes 147 publications tagged with this CPC code.
Is patent activity under CPC C01B25/32 growing?
Publication counts under this code: 11 in 2024 vs 9 in 2025 (latest complete years).