Cyclic amide derivatives of acids of phosphorus, in which two nitrogen atoms belong to the ring

Cyclic amide derivatives of acids of phosphorus, in which two nitrogen atoms belong to the ring · 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 codeC07F9/65848
Official title{Cyclic amide derivatives of acids of phosphorus, in which two nitrogen atoms belong to the ring}
Display labelCyclic amide derivatives of acids of phosphorus, in which two nitrogen atoms belong to the ring
Total patents72

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
20156
20165
20176
201810
201913
20209
20218
20226
20232
20242
20255

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 C07F9/65848?
CPC C07F9/65848 is the Cooperative Patent Classification code for “Cyclic amide derivatives of acids of phosphorus, in which two nitrogen atoms belong to the ring.”
How many patents are filed under CPC C07F9/65848 (Cyclic amide derivatives of acids of phosphorus, in which two nitrogen atoms belong to the ring)?
Our database includes 72 publications tagged with this CPC code.
Is patent activity under CPC C07F9/65848 growing?
Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).