- All sections
- D - Textiles; paper
- D06L - Dry-cleaning, washing or bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; bleaching leather or furs
- D06L 4/664 - Preparations of optical brighteners; Optical brighteners in aerosol form; Physical treatment of optical brighteners
Patent holdings for IPC class D06L 4/664
Total number of patents in this class: 2
10-year publication summary
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Everyone's Earth Inc. | 8 |
1 |
| CHT Germany GmbH | 89 |
1 |
| Other owners | 0 |