Multistep pretreatment

Multistep pretreatment · 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 codeC23C18/2073
Official title{Multistep pretreatment}
Display labelMultistep pretreatment
Total patents29

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
20155
20167
20184
20192
20203
20212
20221
20232
20241
20251
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 C23C18/2073?
CPC C23C18/2073 is the Cooperative Patent Classification code for “Multistep pretreatment.”
How many patents are filed under CPC C23C18/2073 (Multistep pretreatment)?
Our database includes 29 publications tagged with this CPC code.
Is patent activity under CPC C23C18/2073 growing?
Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).