D06P 3/22
Preparing azo dyes on the fibre
D06P3/22 (Preparing azo dyes on the fibre) appears on 2 US grants and 2 published applications in this corpus.
Search patents in D06P- Granted patents
- 2
- Published applications
- 2
- Assignees
- 3
- Inventors
- 4
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Reactive disperse yellow dye for supercritical CO2 dyeing and methods of production and use thereof20 Jan 2026US 12,528,943 B2Dalian Polytechnic University
- Methods and apparatuses for processing textile fibers, kettle automatic operation devices, and textile fiber products16 Mar 2021US 10,947,667 B2Bestee Material (Tsingtao) Co., Ltd.
- Reactive Disperse Yellow Dye for Supercritical CO2 Dyeing and Methods of Production and Use Thereof18 May 2023US 2023/0151218 A1Dalian Polytechnic University
- Methods and apparatuses for processing textile fibers, kettle automatic operation devices, and textile fiber products4 Oct 2018US 2018/0282944 A1Bestee Material (Tsingtao) Co., Ltd.
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.