the composition being defined by the absence of a certain additive

the composition being defined by the absence of a certain additive · 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 codeC08K2201/019
Official titlethe composition being defined by the absence of a certain additive
Display labelthe composition being defined by the absence of a certain additive
Total patents737

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201521
201620
201730
201836
201952
202074
202172
2022102
2023108
2024113
202588
202621

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 C08K2201/019?
CPC C08K2201/019 is the Cooperative Patent Classification code for “the composition being defined by the absence of a certain additive.”
How many patents are filed under CPC C08K2201/019 (the composition being defined by the absence of a certain additive)?
Our database includes 737 publications tagged with this CPC code.
Is patent activity under CPC C08K2201/019 growing?
Publication counts under this code: 113 in 2024 vs 88 in 2025 (latest complete years).