containing two or more rings

containing two or more 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 codeC08F112/32
Official titlecontaining two or more rings
Display labelcontaining two or more rings
Total patents33

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20152
20175
20185
20194
20203
20211
20222
20232
20245
20254

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 C08F112/32?
CPC C08F112/32 is the Cooperative Patent Classification code for “containing two or more rings.”
How many patents are filed under CPC C08F112/32 (containing two or more rings)?
Our database includes 33 publications tagged with this CPC code.
Is patent activity under CPC C08F112/32 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).