Decolorization method of polyester fabric
US-12344991-B2 · Jul 1, 2025 · US
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using organic agents
using organic agents · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D06L4/15 |
| Official title | using organic agents |
| Display label | using organic agents |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Extractant and extraction method for removing color-expressing foreign substances from colored polymer containing ester functional group, and method for chemically selecting polymer containing ester functional group from colored polymer mixture
US-2024360292-A1 · Oct 31, 2024 · US
Decolorization method of polyester fabric
US-2023082495-A1 · Mar 16, 2023 · US
Post-treatment to enhance the enzymatic hydrolysis of pretreated lignocellulosic biomass
US-9914948-B2 · Mar 13, 2018 · US
Method for synthesizing cationic bleach activators via a single-bath reaction
US-9695125-B2 · Jul 4, 2017 · US
Metal free bleaching composition
US-9657435-B2 · May 23, 2017 · US
Novel post-treatment to enhance the enzymatic hydrolysis of pretreated lignocellulosic biomass
US-2016257982-A1 · Sep 8, 2016 · US
Method for synthesizing cationic bleach activators via a single-bath reaction
US-2016221955-A1 · Aug 4, 2016 · US
Fabric cleaning composition comprising hueing agent
US-8975219-B2 · Mar 10, 2015 · US
Perhydrolase variant providing improved specific activity
US-8962294-B2 · Feb 24, 2015 · US
Perhydrolase variant providing improved specific activity
US-8956843-B2 · Feb 17, 2015 · US