characterised by the starting materials

characterised by the starting materials · 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 codeC01B32/318
Official titlecharacterised by the starting materials
Display labelcharacterised by the starting materials
Total patents365

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
201517
201616
201721
201815
201934
202031
202147
202231
202349
202449
202541
202614

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 C01B32/318?
CPC C01B32/318 is the Cooperative Patent Classification code for “characterised by the starting materials.”
How many patents are filed under CPC C01B32/318 (characterised by the starting materials)?
Our database includes 365 publications tagged with this CPC code.
Is patent activity under CPC C01B32/318 growing?
Publication counts under this code: 49 in 2024 vs 41 in 2025 (latest complete years).