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

not condensed with other rings

not condensed with other 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 codeC07D291/02
Official titlenot condensed with other rings
Display labelnot condensed with other rings
Total patents19

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
20153
20162
20171
20183
20193
20203
20211
20232
20241

Representative patents

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