by adsorption on solids

by adsorption on solids · 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 codeC01B13/0259
Official title{by adsorption on solids}
Display labelby adsorption on solids
Total patents84

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201513
20167
20177
20188
201911
20207
20214
202212
20234
20247
20253
20261

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 C01B13/0259?
CPC C01B13/0259 is the Cooperative Patent Classification code for “by adsorption on solids.”
How many patents are filed under CPC C01B13/0259 (by adsorption on solids)?
Our database includes 84 publications tagged with this CPC code.
Is patent activity under CPC C01B13/0259 growing?
Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).