on alkali or ammonium soaps

on alkali or ammonium soaps · 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 codeC11D9/02
Official titleon alkali or ammonium soaps
Display labelon alkali or ammonium soaps
Total patents61

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20152
20163
20174
20182
20194
20201
20212
202213
20236
202416
20258

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 C11D9/02?
CPC C11D9/02 is the Cooperative Patent Classification code for “on alkali or ammonium soaps.”
How many patents are filed under CPC C11D9/02 (on alkali or ammonium soaps)?
Our database includes 61 publications tagged with this CPC code.
Is patent activity under CPC C11D9/02 growing?
Publication counts under this code: 16 in 2024 vs 8 in 2025 (latest complete years).