of aldehydes, e.g. phenol-formaldehyde resins

of aldehydes, e.g. phenol-formaldehyde resins · 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 codeC09D11/103
Official titleof aldehydes, e.g. phenol-formaldehyde resins
Display labelof aldehydes, e.g. phenol-formaldehyde resins
Total patents154

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
20153
201613
201713
201812
201915
202018
202127
202218
20237
202414
20259
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 C09D11/103?
CPC C09D11/103 is the Cooperative Patent Classification code for “of aldehydes, e.g. phenol-formaldehyde resins.”
How many patents are filed under CPC C09D11/103 (of aldehydes, e.g. phenol-formaldehyde resins)?
Our database includes 154 publications tagged with this CPC code.
Is patent activity under CPC C09D11/103 growing?
Publication counts under this code: 14 in 2024 vs 9 in 2025 (latest complete years).