Preparation of metal complexes containing carboxylic acid moieties

Preparation of metal complexes containing carboxylic acid moieties · 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 codeC07C51/418
Official title{Preparation of metal complexes containing carboxylic acid moieties}
Display labelPreparation of metal complexes containing carboxylic acid moieties
Total patents95

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
20159
201610
20178
201814
20197
202013
20219
20227
20237
20248
20252
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 C07C51/418?
CPC C07C51/418 is the Cooperative Patent Classification code for “Preparation of metal complexes containing carboxylic acid moieties.”
How many patents are filed under CPC C07C51/418 (Preparation of metal complexes containing carboxylic acid moieties)?
Our database includes 95 publications tagged with this CPC code.
Is patent activity under CPC C07C51/418 growing?
Publication counts under this code: 8 in 2024 vs 2 in 2025 (latest complete years).