Ammonium polyphosphate

Ammonium polyphosphate · 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 codeC08K2003/323
Official title{Ammonium polyphosphate}
Display labelAmmonium polyphosphate
Total patents156

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20154
20165
20178
20187
201916
202012
202120
202221
202323
202416
202517
20267

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 C08K2003/323?
CPC C08K2003/323 is the Cooperative Patent Classification code for “Ammonium polyphosphate.”
How many patents are filed under CPC C08K2003/323 (Ammonium polyphosphate)?
Our database includes 156 publications tagged with this CPC code.
Is patent activity under CPC C08K2003/323 growing?
Publication counts under this code: 16 in 2024 vs 17 in 2025 (latest complete years).