involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion

involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB01D15/36
Official titleinvolving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
Display labelinvolving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
Total patents153

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
201516
201620
201710
201819
201921
202014
202115
20229
20236
202413
20256
20264

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 B01D15/36?
CPC B01D15/36 is the Cooperative Patent Classification code for “involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion.”
How many patents are filed under CPC B01D15/36 (involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion)?
Our database includes 153 publications tagged with this CPC code.
Is patent activity under CPC B01D15/36 growing?
Publication counts under this code: 13 in 2024 vs 6 in 2025 (latest complete years).