Unsaturated polyimide precursors

Unsaturated polyimide precursors · 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 codeC09D179/085
Official title{Unsaturated polyimide precursors}
Display labelUnsaturated polyimide precursors
Total patents67

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
20158
20162
20177
20185
20196
20204
202113
20226
20232
20246
20256
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 C09D179/085?
CPC C09D179/085 is the Cooperative Patent Classification code for “Unsaturated polyimide precursors.”
How many patents are filed under CPC C09D179/085 (Unsaturated polyimide precursors)?
Our database includes 67 publications tagged with this CPC code.
Is patent activity under CPC C09D179/085 growing?
Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).