- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 21/00 - Thiazine dyes
Patent holdings for IPC class C09B 21/00
Total number of patents in this class: 93
10-year publication summary
|
9
|
8
|
9
|
10
|
11
|
4
|
7
|
2
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5820 |
12 |
| Crius Technology Group, Inc. | 22 |
11 |
| Kyowa Medex Co., Ltd. | 92 |
7 |
| UDC Ireland Limited | 474 |
5 |
| WisTa Laboratories Ltd. | 136 |
5 |
| The Regents of the University of California | 20035 |
4 |
| Icrom SpA | 7 |
3 |
| BASF SE | 20961 |
2 |
| Continental Reifen Deutschland GmbH | 2456 |
2 |
| ARKRAY, Inc. | 868 |
2 |
| Dojindo Laboratories | 24 |
2 |
| Howard Hughes Medical Institute | 230 |
2 |
| Kyulux, Inc. | 234 |
2 |
| Milliken & Company | 1193 |
2 |
| Nippon Steel Chemical & Material Co., Ltd. | 654 |
2 |
| Centre National de La Recherche Scientifique | 10498 |
1 |
| Bayer Intellectual Property GmbH | 2495 |
1 |
| Bayer MaterialScience AG | 788 |
1 |
| FUJIFILM Corporation | 29506 |
1 |
| Konica Minolta Holdings, Inc. | 906 |
1 |
| Other owners | 25 |