modified by chemical after-treatment

modified by chemical after-treatment · 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 codeC08L71/126
Official title{modified by chemical after-treatment}
Display labelmodified by chemical after-treatment
Total patents371

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
201512
201619
201719
201826
201933
202043
202144
202239
202344
202450
202536
20266

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 C08L71/126?
CPC C08L71/126 is the Cooperative Patent Classification code for “modified by chemical after-treatment.”
How many patents are filed under CPC C08L71/126 (modified by chemical after-treatment)?
Our database includes 371 publications tagged with this CPC code.
Is patent activity under CPC C08L71/126 growing?
Publication counts under this code: 50 in 2024 vs 36 in 2025 (latest complete years).