Polyurethanes; Polyisocyanates

Polyurethanes; Polyisocyanates · 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 codeC04B41/4884
Official title{Polyurethanes; Polyisocyanates}
Display labelPolyurethanes; Polyisocyanates
Total patents63

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
20155
20165
20175
20184
20194
202011
202111
20226
20236
20244
20251
20261

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 C04B41/4884?
CPC C04B41/4884 is the Cooperative Patent Classification code for “Polyurethanes; Polyisocyanates.”
How many patents are filed under CPC C04B41/4884 (Polyurethanes; Polyisocyanates)?
Our database includes 63 publications tagged with this CPC code.
Is patent activity under CPC C04B41/4884 growing?
Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).