Luminescent materials, e.g. electroluminescent or chemiluminescent

Luminescent materials, e.g. electroluminescent or chemiluminescent · 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 codeC09K11/00
Official titleLuminescent materials, e.g. electroluminescent or chemiluminescent
Display labelLuminescent materials, e.g. electroluminescent or chemiluminescent
Total patents268

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
201525
201626
201730
201836
201936
202027
202126
202217
202320
202416
20257
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 C09K11/00?
CPC C09K11/00 is the Cooperative Patent Classification code for “Luminescent materials, e.g. electroluminescent or chemiluminescent.”
How many patents are filed under CPC C09K11/00 (Luminescent materials, e.g. electroluminescent or chemiluminescent)?
Our database includes 268 publications tagged with this CPC code.
Is patent activity under CPC C09K11/00 growing?
Publication counts under this code: 16 in 2024 vs 7 in 2025 (latest complete years).