containing carbon (C04B35/103 takes precedence)

containing carbon (C04B35/103 takes precedence) · 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 codeC04B35/013
Official title{containing carbon (C04B35/103 takes precedence)}
Display labelcontaining carbon (C04B35/103 takes precedence)
Total patents57

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
20155
20166
20178
20186
20196
20205
20218
20225
20234
20242
20251
20261

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 C04B35/013?
CPC C04B35/013 is the Cooperative Patent Classification code for “containing carbon (C04B35/103 takes precedence).”
How many patents are filed under CPC C04B35/013 (containing carbon (C04B35/103 takes precedence))?
Our database includes 57 publications tagged with this CPC code.
Is patent activity under CPC C04B35/013 growing?
Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).