PatentsDB

Recycled materials, i.e. waste materials reused in the production of the same materials

Recycled materials, i.e. waste materials reused in the production of the same materials · 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 codeC04B18/167
Official titleRecycled materials, i.e. waste materials reused in the production of the same materials
Display labelRecycled materials, i.e. waste materials reused in the production of the same materials
Total patents83

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20161
20171
20185
20192
20206
20216
20229
202315
202417
202519
20262

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 C04B18/167?
CPC C04B18/167 is the Cooperative Patent Classification code for “Recycled materials, i.e. waste materials reused in the production of the same materials.”
How many patents are filed under CPC C04B18/167 (Recycled materials, i.e. waste materials reused in the production of the same materials)?
Our database includes 83 publications tagged with this CPC code.
Is patent activity under CPC C04B18/167 growing?
Publication counts under this code: 17 in 2024 vs 19 in 2025 (latest complete years).