Preparation from compounds containing heterocyclic oxygen

Preparation from compounds containing heterocyclic oxygen · 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 codeC07D213/14
Official titlePreparation from compounds containing heterocyclic oxygen
Display labelPreparation from compounds containing heterocyclic oxygen
Total patents25

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
20173
20183
20192
20202
20213
20222
20232
20241
20251

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 C07D213/14?
CPC C07D213/14 is the Cooperative Patent Classification code for “Preparation from compounds containing heterocyclic oxygen.”
How many patents are filed under CPC C07D213/14 (Preparation from compounds containing heterocyclic oxygen)?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC C07D213/14 growing?
Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).