Dyes of natural origin prepared from natural sources {, e.g. vegetable sources}

Dyes of natural origin prepared from natural sources {, e.g. vegetable sources} · 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 codeC09B61/00
Official titleDyes of natural origin prepared from natural sources {, e.g. vegetable sources}
Display labelDyes of natural origin prepared from natural sources {, e.g. vegetable sources}
Total patents164

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
201510
201611
201713
201814
201912
202012
202116
202215
202325
202421
202512
20263

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 C09B61/00?
CPC C09B61/00 is the Cooperative Patent Classification code for “Dyes of natural origin prepared from natural sources {, e.g. vegetable sources}.”
How many patents are filed under CPC C09B61/00 (Dyes of natural origin prepared from natural sources {, e.g. vegetable sources})?
Our database includes 164 publications tagged with this CPC code.
Is patent activity under CPC C09B61/00 growing?
Publication counts under this code: 21 in 2024 vs 12 in 2025 (latest complete years).