Bleaching Method and Bleaching Device
US-2025376802-A1 · Dec 11, 2025 · US
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by irradiation or ozonisation
by irradiation or ozonisation · 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 | D06L4/50 |
| Official title | by irradiation or ozonisation |
| Display label | by irradiation or ozonisation |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ozone mist fabric finishing
US-11236464-B1 · Feb 1, 2022 · US
Light-promoted stain removal system
US-2020270791-A1 · Aug 27, 2020 · US
Ozone cleaning system and method of operating same
US-10391527-B2 · Aug 27, 2019 · US
Apparatus and method for the treatment of a substrate with ozone bubbles
US-2018134994-A1 · May 17, 2018 · US
Method for washing textiles in a washing machine comprising an activation device
US-2017306267-A1 · Oct 26, 2017 · US
An ozone cleaning system and method of operating same
US-2017021397-A1 · Jan 26, 2017 · US
Electrochemical textile-washing process
US-9435073-B2 · Sep 6, 2016 · US
Laser-marked fabric
US-2016168779-A1 · Jun 16, 2016 · US