comprising the membrane sequence AC or CA, where C is a cation exchange membrane

comprising the membrane sequence AC or CA, where C is a cation exchange membrane · 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 codeB01D61/463
Official title{comprising the membrane sequence AC or CA, where C is a cation exchange membrane}
Display labelcomprising the membrane sequence AC or CA, where C is a cation exchange membrane
Total patents172

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
201716
201813
201916
202019
202117
202215
202319
202416
202522
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 B01D61/463?
CPC B01D61/463 is the Cooperative Patent Classification code for “comprising the membrane sequence AC or CA, where C is a cation exchange membrane.”
How many patents are filed under CPC B01D61/463 (comprising the membrane sequence AC or CA, where C is a cation exchange membrane)?
Our database includes 172 publications tagged with this CPC code.
Is patent activity under CPC B01D61/463 growing?
Publication counts under this code: 16 in 2024 vs 22 in 2025 (latest complete years).