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 codeC07C273/14
Official titleSeparation; Purification; Stabilisation; Use of additives
Display labelSeparation; Purification; Stabilisation; Use of additives
Total patents54

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
20154
20162
20171
20189
20196
20209
20215
20228
20233
20245
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 C07C273/14?
CPC C07C273/14 is the Cooperative Patent Classification code for “Separation; Purification; Stabilisation; Use of additives.”
How many patents are filed under CPC C07C273/14 (Separation; Purification; Stabilisation; Use of additives)?
Our database includes 54 publications tagged with this CPC code.
Is patent activity under CPC C07C273/14 growing?
Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).