by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups

by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups · 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 codeC07C67/313
Official titleby introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups
Display labelby introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups
Total patents109

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
201519
201611
20179
201811
201910
20209
20217
202212
20237
20246
20255
20263

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 C07C67/313?
CPC C07C67/313 is the Cooperative Patent Classification code for “by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups.”
How many patents are filed under CPC C07C67/313 (by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups)?
Our database includes 109 publications tagged with this CPC code.
Is patent activity under CPC C07C67/313 growing?
Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).