by liquid-phase reaction processes

by liquid-phase reaction processes · 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 codeC03B19/12
Official titleby liquid-phase reaction processes
Display labelby liquid-phase reaction processes
Total patents55

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20156
201611
20178
20183
20197
20204
20218
20224
20232
20252

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 C03B19/12?
CPC C03B19/12 is the Cooperative Patent Classification code for “by liquid-phase reaction processes.”
How many patents are filed under CPC C03B19/12 (by liquid-phase reaction processes)?
Our database includes 55 publications tagged with this CPC code.
Is patent activity under CPC C03B19/12 growing?
Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).