Polyurethanes

Polyurethanes · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeD04H1/4358
Official titlePolyurethanes
Display labelPolyurethanes
Total patents97

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20152
20165
20177
201810
20194
20208
20214
202227
202313
202410
20257

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 D04H1/4358?
CPC D04H1/4358 is the Cooperative Patent Classification code for “Polyurethanes.”
How many patents are filed under CPC D04H1/4358 (Polyurethanes)?
Our database includes 97 publications tagged with this CPC code.
Is patent activity under CPC D04H1/4358 growing?
Publication counts under this code: 10 in 2024 vs 7 in 2025 (latest complete years).