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 codeC09J7/045
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents50

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
20158
201616
201721
20183
20191
20201

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 C09J7/045?
CPC C09J7/045 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C09J7/045 (Chemistry & Metallurgy)?
Our database includes 50 publications tagged with this CPC code.
Is patent activity under CPC C09J7/045 growing?
Publication counts under this code: 1 in 2019 vs 1 in 2020 (latest complete years).