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

with metals or metal-containing compounds, not provided for in groups C08F4/653 - C08F4/656

with metals or metal-containing compounds, not provided for in groups C08F4/653 - C08F4/656 · 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 codeC08F4/657
Official titlewith metals or metal-containing compounds, not provided for in groups C08F4/653 - C08F4/656
Display labelwith metals or metal-containing compounds, not provided for in groups C08F4/653 - C08F4/656
Total patents7

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20151
20161
20171
20211
20231
20241
20251

Representative patents

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