of plastics

of plastics · 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 codeC25D5/56
Official titleof plastics
Display labelof plastics
Total patents488

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
201523
201666
201743
201848
201959
202047
202146
202232
202343
202440
202536
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 C25D5/56?
CPC C25D5/56 is the Cooperative Patent Classification code for “of plastics.”
How many patents are filed under CPC C25D5/56 (of plastics)?
Our database includes 488 publications tagged with this CPC code.
Is patent activity under CPC C25D5/56 growing?
Publication counts under this code: 40 in 2024 vs 36 in 2025 (latest complete years).