Separation; Purification; Stabilisation; Use of additives

Separation; Purification; Stabilisation; Use of additives · 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 codeC07C407/003
Official title{Separation; Purification; Stabilisation; Use of additives}
Display labelSeparation; Purification; Stabilisation; Use of additives
Total patents36

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
20153
20165
20173
20182
20201
20211
20229
20233
20243
20256

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 C07C407/003?
CPC C07C407/003 is the Cooperative Patent Classification code for “Separation; Purification; Stabilisation; Use of additives.”
How many patents are filed under CPC C07C407/003 (Separation; Purification; Stabilisation; Use of additives)?
Our database includes 36 publications tagged with this CPC code.
Is patent activity under CPC C07C407/003 growing?
Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).