containing the quinoid structure

containing the quinoid structure · 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 codeC12P7/66
Official titlecontaining the quinoid structure
Display labelcontaining the quinoid structure
Total patents53

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
20155
20166
20177
20188
20199
20206
20216
20222
20234

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 C12P7/66?
CPC C12P7/66 is the Cooperative Patent Classification code for “containing the quinoid structure.”
How many patents are filed under CPC C12P7/66 (containing the quinoid structure)?
Our database includes 53 publications tagged with this CPC code.
Is patent activity under CPC C12P7/66 growing?
Publication counts under this code: 2 in 2022 vs 4 in 2023 (latest complete years).