C09B 7/08
Indigoid dyes: other indole-indigos
Official title: Other indole-indigos
C09B7/08 (Indigoid dyes: other indole-indigos) appears on 4 US grants and 11 published applications in this corpus.
Search patents in C09B- Granted patents
- 4
- Published applications
- 11
- Assignees
- 9
- Inventors
- 44
- Latest grant
- 11 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method of producing photochromic resin body and method of producing function-adding base body11 Apr 2023US 11,623,419 B2Nidek Co., Ltd.
- pH sensitive dyes for textile materials, a process for their preparation and uses thereof31 Jan 2023US 11,566,136 B2Sanko Tekstil Isletmeleri San. Ve Tic. A. S.
- Black pigment dispersion18 Mar 2014US 8,674,006 B2BASF SE Ludwigshafen
- Black matrix for colour filters11 Mar 2014US 8,669,026 B2BASF SE
- Dye dispersion, method for preparing the same, and dyeing method2 Jul 2026US 2026/0185299 A1Industrial Technology Research Institute
- Genetically modified host cells producing violacein, analogues, and derivatives thereof2 Apr 2026US 2026/0092179 A1
- Compound, composition, film, method for producing coloring composition, and method for manufacturing laminate for display element10 Apr 2025US 2025/0115763 A1FUJIFILM Corporation
- Ph sensitive dyes for textile materials, a process for their preparation and uses thereof11 Feb 2021US 2021/0040325 A1Sanko Tekstil Isletmeleri San. Ve Tic. A. S.
- Method of producing photochromic resin body and method of producing function-adding base body1 Oct 2020US 2020/0307131 A1Nidek Co., Ltd.
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.