What is CPC D06M13/184?

CPC D06M13/184 is the Cooperative Patent Classification code for “Carboxylic acids; Anhydrides, halides or salts thereof.”

How many patents are filed under CPC D06M13/184 (Carboxylic acids; Anhydrides, halides or salts thereof)?

Our database includes 46 publications tagged with this CPC code.

Is patent activity under CPC D06M13/184 growing?

Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).

Carboxylic acids; Anhydrides, halides or salts thereof

Carboxylic acids; Anhydrides, halides or salts thereof · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

Textiles & Paper

CPC classification statistics
Metric	Value
CPC code	D06M13/184
Official title	Carboxylic acids; Anhydrides, halides or salts thereof
Display label	Carboxylic acids; Anhydrides, halides or salts thereof
Total patents	46

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
Year	Patents
2015	1
2016	4
2017	5
2018	6
2019	6
2020	8
2022	6
2023	4
2024	5
2025	1

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Treatment agent for polyester-based synthetic fibers, composition containing treatment agent for polyester-based synthetic fibers, first treatment agent for polyester-based synthetic fibers, composition containing first treatment agent for polyester-based synthetic fibers, second treatment agent for polyester-based synthetic fibers, composition containing second treatment agent for polyester-based synthetic fibers, diluted solution of treatment agent for polyester-based synthetic fibers, method
US-2025257523-A1 · Aug 14, 2025 · US
Treatment agent for short fibers, aqueous solution for treatment agent for short fibers, treatment method for short fibers, production method for short fibers, and short fibers
US-12123108-B2 · Oct 22, 2024 · US
Treatment agent for short fibers, aqueous solution for treatment agent for short fibers, treatment method for short fibers, production method for short fibers, and short fibers
US-2024263359-A1 · Aug 8, 2024 · US
Treatment agent for fibers, first treatment agent for fibers, second treatment agent for fibers, composition containing first treatment agent for fibers, diluent for treatment agent for fibers, treatment method for fibers, and fibers
US-2024263386-A1 · Aug 8, 2024 · US
Sewing thread treatment agent and sewing thread
US-11952711-B2 · Apr 9, 2024 · US
Modified cellulosic compositions having increased hydrophobicity and processes for their production
US-11913164-B2 · Feb 27, 2024 · US
Functional-agent-containing fiber and method for manufacturing same
US-11834779-B2 · Dec 5, 2023 · US
Biocidal solar cell
US-11812742-B2 · Nov 14, 2023 · US
Composition for treating hair or fibers, comprising alkyl ketene compound
US-2023263718-A1 · Aug 24, 2023 · US
Dispersion solution having antiviral property
US-11647744-B2 · May 16, 2023 · US
Modified cellulosic compositions having increased hydrophobicity and processes for their production
US-2022364301-A1 · Nov 17, 2022 · US
Sewing thread treatment agent and sewing thread
US-2022170202-A1 · Jun 2, 2022 · US
Method for producing laminate
US-11325356-B2 · May 10, 2022 · US
Modified cellulosic compositions having increased hydrophobicity and processes for their production
US-11326303-B2 · May 10, 2022 · US
Fire-retardant compositions
US-11319428-B2 · May 3, 2022 · US
Reducing colour loss from a dyed material by using an amine salt of a carboxylic acid
US-11253453-B2 · Feb 22, 2022 · US
Finishing agent composition for textile products
US-10829717-B2 · Nov 10, 2020 · US
Method for preparing high fluffiness down by multiple treatments with metal salts
US-10760209-B1 · Sep 1, 2020 · US
Biocidal solar cell
US-2020221693-A1 · Jul 16, 2020 · US
Functional-agent-containing fiber and method for manufacturing same
US-2020165772-A1 · May 28, 2020 · US

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC D06M13/184?: CPC D06M13/184 is the Cooperative Patent Classification code for “Carboxylic acids; Anhydrides, halides or salts thereof.”
How many patents are filed under CPC D06M13/184 (Carboxylic acids; Anhydrides, halides or salts thereof)?: Our database includes 46 publications tagged with this CPC code.
Is patent activity under CPC D06M13/184 growing?: Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).