Carboxylic acids or salts

Carboxylic acids or salts · 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 codeB23K35/3618
Official title{Carboxylic acids or salts}
Display labelCarboxylic acids or salts
Total patents171

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
201515
201617
201720
201818
20197
202011
202112
202220
202318
202412
202517
20264

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 B23K35/3618?
CPC B23K35/3618 is the Cooperative Patent Classification code for “Carboxylic acids or salts.”
How many patents are filed under CPC B23K35/3618 (Carboxylic acids or salts)?
Our database includes 171 publications tagged with this CPC code.
Is patent activity under CPC B23K35/3618 growing?
Publication counts under this code: 12 in 2024 vs 17 in 2025 (latest complete years).