the pores being microsized or nanosized

the pores being microsized or nanosized · 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 codeC04B38/0054
Official title{the pores being microsized or nanosized}
Display labelthe pores being microsized or nanosized
Total patents429

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
201529
201639
201729
201835
201959
202035
202132
202250
202340
202438
202536
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 C04B38/0054?
CPC C04B38/0054 is the Cooperative Patent Classification code for “the pores being microsized or nanosized.”
How many patents are filed under CPC C04B38/0054 (the pores being microsized or nanosized)?
Our database includes 429 publications tagged with this CPC code.
Is patent activity under CPC C04B38/0054 growing?
Publication counts under this code: 38 in 2024 vs 36 in 2025 (latest complete years).