Phosphates including polyphosphates

Phosphates including polyphosphates · 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 codeC11D7/16
Official titlePhosphates including polyphosphates
Display labelPhosphates including polyphosphates
Total patents67

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
20154
20168
201711
20189
20194
20208
20213
20227
20235
20244
20254

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 C11D7/16?
CPC C11D7/16 is the Cooperative Patent Classification code for “Phosphates including polyphosphates.”
How many patents are filed under CPC C11D7/16 (Phosphates including polyphosphates)?
Our database includes 67 publications tagged with this CPC code.
Is patent activity under CPC C11D7/16 growing?
Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).