using carbonyl halides

using carbonyl halides · 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 codeC08G64/22
Official titleusing carbonyl halides
Display labelusing carbonyl halides
Total patents64

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20151
201615
201722
20188
20198
20202
20212
20233
20241
20251
20261

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 C08G64/22?
CPC C08G64/22 is the Cooperative Patent Classification code for “using carbonyl halides.”
How many patents are filed under CPC C08G64/22 (using carbonyl halides)?
Our database includes 64 publications tagged with this CPC code.
Is patent activity under CPC C08G64/22 growing?
Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).