of halogen atoms by other halogen atoms

of halogen atoms by other halogen atoms · 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 codeC07C17/20
Official titleof halogen atoms by other halogen atoms
Display labelof halogen atoms by other halogen atoms
Total patents139

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
201517
201625
201717
201812
201917
202010
202115
202212
20234
20244
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 C07C17/20?
CPC C07C17/20 is the Cooperative Patent Classification code for “of halogen atoms by other halogen atoms.”
How many patents are filed under CPC C07C17/20 (of halogen atoms by other halogen atoms)?
Our database includes 139 publications tagged with this CPC code.
Is patent activity under CPC C07C17/20 growing?
Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).