from other substances

from other substances · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeD01F8/18
Official titlefrom other substances
Display labelfrom other substances
Total patents129

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
20156
20169
20175
201811
20198
202011
202117
202218
202313
202417
202513
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 D01F8/18?
CPC D01F8/18 is the Cooperative Patent Classification code for “from other substances.”
How many patents are filed under CPC D01F8/18 (from other substances)?
Our database includes 129 publications tagged with this CPC code.
Is patent activity under CPC D01F8/18 growing?
Publication counts under this code: 17 in 2024 vs 13 in 2025 (latest complete years).