Chemical paint or ink removers (fluid media for correction of typographical errors by coating C09D10/00)

Chemical paint or ink removers (fluid media for correction of typographical errors by coating C09D10/00) · 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 codeC09D9/00
Official titleChemical paint or ink removers (fluid media for correction of typographical errors by coating C09D10/00)
Display labelChemical paint or ink removers (fluid media for correction of typographical errors by coating C09D10/00)
Total patents73

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
20154
201610
20178
20189
20196
20206
20212
20225
20235
202410
20258

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 C09D9/00?
CPC C09D9/00 is the Cooperative Patent Classification code for “Chemical paint or ink removers (fluid media for correction of typographical errors by coating C09D10/00).”
How many patents are filed under CPC C09D9/00 (Chemical paint or ink removers (fluid media for correction of typographical errors by coating C09D10/00))?
Our database includes 73 publications tagged with this CPC code.
Is patent activity under CPC C09D9/00 growing?
Publication counts under this code: 10 in 2024 vs 8 in 2025 (latest complete years).