Colouring agents

Colouring agents · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA23L2/58
Official titleColouring agents
Display labelColouring agents
Total patents104

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20157
20169
20179
20188
20198
20208
202112
20229
202312
20247
202513
20262

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 A23L2/58?
CPC A23L2/58 is the Cooperative Patent Classification code for “Colouring agents.”
How many patents are filed under CPC A23L2/58 (Colouring agents)?
Our database includes 104 publications tagged with this CPC code.
Is patent activity under CPC A23L2/58 growing?
Publication counts under this code: 7 in 2024 vs 13 in 2025 (latest complete years).