This page is not indexed by search engines while we improve data quality.

with three- or four-membered ring

with three- or four-membered ring · 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 codeC07C47/293
Official titlewith three- or four-membered ring
Display labelwith three- or four-membered ring
Total patents2

Filing trend

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

Filing activity appears stable based on the most recent years.

Patents filed per year
YearPatents
20151
20161

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.