by reaction with halogens or compounds containing halogen (C09D123/32 takes precedence)

by reaction with halogens or compounds containing halogen (C09D123/32 takes precedence) · 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 codeC09D123/28
Official titleby reaction with halogens or compounds containing halogen (C09D123/32 takes precedence)
Display labelby reaction with halogens or compounds containing halogen (C09D123/32 takes precedence)
Total patents53

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
20175
20182
20197
20206
202110
20225
20234
20245

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 C09D123/28?
CPC C09D123/28 is the Cooperative Patent Classification code for “by reaction with halogens or compounds containing halogen (C09D123/32 takes precedence).”
How many patents are filed under CPC C09D123/28 (by reaction with halogens or compounds containing halogen (C09D123/32 takes precedence))?
Our database includes 53 publications tagged with this CPC code.
Is patent activity under CPC C09D123/28 growing?
Publication counts under this code: 4 in 2023 vs 5 in 2024 (latest complete years).