using aqueous solvents

using aqueous solvents · 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 codeC30B7/04
Official titleusing aqueous solvents
Display labelusing aqueous solvents
Total patents48

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
20154
20165
20173
20181
20198
20204
20214
20226
20234
20245
20254

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 C30B7/04?
CPC C30B7/04 is the Cooperative Patent Classification code for “using aqueous solvents.”
How many patents are filed under CPC C30B7/04 (using aqueous solvents)?
Our database includes 48 publications tagged with this CPC code.
Is patent activity under CPC C30B7/04 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).