- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 11/12 - Amino derivatives of triarylmethanes without any —OH group bound to an aryl nucleus
Patent holdings for IPC class C09B 11/12
Total number of patents in this class: 136
10-year publication summary
|
19
|
6
|
26
|
24
|
10
|
4
|
4
|
7
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Milliken & Company | 1194 |
21 |
| FUJIFILM Corporation | 29437 |
20 |
| Dai Nippon Printing Co., Ltd. | 4091 |
12 |
| The Procter & Gamble Company | 22043 |
11 |
| Yamamoto Chemicals, Inc. | 50 |
5 |
| Canon Inc. | 40095 |
4 |
| Life Technologies Corporation | 3306 |
4 |
| D. Western Therapeutics Institute, Inc. | 19 |
4 |
| DNP Fine Chemicals Co., Ltd. | 178 |
4 |
| JSR Corporation | 2527 |
3 |
| Centre National de La Recherche Scientifique | 10464 |
2 |
| DIC Corporation | 3801 |
2 |
| Kinnos Inc. | 39 |
2 |
| Kobenhavns Universitet | 178 |
2 |
| Nippon Kayaku Kabushiki Kaisha | 1435 |
2 |
| Universite Paris Diderot - Paris 7 | 355 |
2 |
| Sorbonne Universite | 1292 |
2 |
| Canon Kabushiki Kaisha | 7067 |
2 |
| Centre National de La Recherche Scientifique (cnrs) | 3107 |
2 |
| L'OREAL, Société Anonyme | 15564 |
1 |
| Other owners | 29 |