Chemistry & Metallurgy

Chemistry & Metallurgy · 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 codeC12R1/145
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents56

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20152
20167
20174
201813
201917
20207
20216

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 C12R1/145?
CPC C12R1/145 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C12R1/145 (Chemistry & Metallurgy)?
Our database includes 56 publications tagged with this CPC code.
Is patent activity under CPC C12R1/145 growing?
Publication counts under this code: 7 in 2020 vs 6 in 2021 (latest complete years).