using a coupling agent

using a coupling agent · 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 codeC08F297/044
Official title{using a coupling agent}
Display labelusing a coupling agent
Total patents214

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
201513
201618
201726
201814
201918
202030
202116
202229
202322
202415
202513

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 C08F297/044?
CPC C08F297/044 is the Cooperative Patent Classification code for “using a coupling agent.”
How many patents are filed under CPC C08F297/044 (using a coupling agent)?
Our database includes 214 publications tagged with this CPC code.
Is patent activity under CPC C08F297/044 growing?
Publication counts under this code: 15 in 2024 vs 13 in 2025 (latest complete years).