comprising compounds of alkali metals, alkaline earth metals or magnesium

comprising compounds of alkali metals, alkaline earth metals or magnesium · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB01J20/04
Official titlecomprising compounds of alkali metals, alkaline earth metals or magnesium
Display labelcomprising compounds of alkali metals, alkaline earth metals or magnesium
Total patents229

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
201525
201610
201725
201816
201926
202015
20219
202223
202321
202422
202534
20263

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 B01J20/04?
CPC B01J20/04 is the Cooperative Patent Classification code for “comprising compounds of alkali metals, alkaline earth metals or magnesium.”
How many patents are filed under CPC B01J20/04 (comprising compounds of alkali metals, alkaline earth metals or magnesium)?
Our database includes 229 publications tagged with this CPC code.
Is patent activity under CPC B01J20/04 growing?
Publication counts under this code: 22 in 2024 vs 34 in 2025 (latest complete years).