Negative working, i.e. the non-exposed (non-imaged) areas are removed

Negative working, i.e. the non-exposed (non-imaged) areas are removed · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB41C2210/04
Official titleNegative working, i.e. the non-exposed (non-imaged) areas are removed
Display labelNegative working, i.e. the non-exposed (non-imaged) areas are removed
Total patents240

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
201521
201618
201713
201818
201924
202030
202124
202230
202329
202418
202514
20261

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 B41C2210/04?
CPC B41C2210/04 is the Cooperative Patent Classification code for “Negative working, i.e. the non-exposed (non-imaged) areas are removed.”
How many patents are filed under CPC B41C2210/04 (Negative working, i.e. the non-exposed (non-imaged) areas are removed)?
Our database includes 240 publications tagged with this CPC code.
Is patent activity under CPC B41C2210/04 growing?
Publication counts under this code: 18 in 2024 vs 14 in 2025 (latest complete years).