Vitamins A or D

Vitamins A or D · 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 codeA23L33/155
Official titleVitamins A or D
Display labelVitamins A or D
Total patents337

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
201516
201634
201733
201835
201927
202031
202132
202241
202339
202420
202524
20265

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 A23L33/155?
CPC A23L33/155 is the Cooperative Patent Classification code for “Vitamins A or D.”
How many patents are filed under CPC A23L33/155 (Vitamins A or D)?
Our database includes 337 publications tagged with this CPC code.
Is patent activity under CPC A23L33/155 growing?
Publication counts under this code: 20 in 2024 vs 24 in 2025 (latest complete years).