Multilayered product (layered product B32B)

Multilayered product (layered product B32B) · 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 codeC23C18/165
Official title{Multilayered product (layered product B32B)}
Display labelMultilayered product (layered product B32B)
Total patents253

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
201532
201643
201723
201828
201930
202027
202113
202211
202317
202417
20259
20263

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 C23C18/165?
CPC C23C18/165 is the Cooperative Patent Classification code for “Multilayered product (layered product B32B).”
How many patents are filed under CPC C23C18/165 (Multilayered product (layered product B32B))?
Our database includes 253 publications tagged with this CPC code.
Is patent activity under CPC C23C18/165 growing?
Publication counts under this code: 17 in 2024 vs 9 in 2025 (latest complete years).