containing at least two non-condensed rings

containing at least two non-condensed rings · 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 codeC09K19/08
Official titlecontaining at least two non-condensed rings
Display labelcontaining at least two non-condensed rings
Total patents34

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20159
20165
20175
20185
20195
20201
20212
20221
20231

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 C09K19/08?
CPC C09K19/08 is the Cooperative Patent Classification code for “containing at least two non-condensed rings.”
How many patents are filed under CPC C09K19/08 (containing at least two non-condensed rings)?
Our database includes 34 publications tagged with this CPC code.
Is patent activity under CPC C09K19/08 growing?
Publication counts under this code: 1 in 2022 vs 1 in 2023 (latest complete years).