Polyphenylenes

Polyphenylenes · 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 codeC09D165/02
Official titlePolyphenylenes
Display labelPolyphenylenes
Total patents60

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20155
201617
201712
20186
20191
20201
20215
20221
20234
20242
20255
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 C09D165/02?
CPC C09D165/02 is the Cooperative Patent Classification code for “Polyphenylenes.”
How many patents are filed under CPC C09D165/02 (Polyphenylenes)?
Our database includes 60 publications tagged with this CPC code.
Is patent activity under CPC C09D165/02 growing?
Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).