- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 11/24 - Phthaleins containing amino groups
Patent holdings for IPC class C09B 11/24
Total number of patents in this class: 321
10-year publication summary
|
33
|
39
|
39
|
35
|
27
|
25
|
24
|
28
|
19
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Life Technologies Corporation | 3318 |
23 |
| FUJIFILM Corporation | 29696 |
15 |
| Promega Corporation | 576 |
13 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1789 |
8 |
| Cepheid | 352 |
7 |
| Howard Hughes Medical Institute | 231 |
7 |
| IsoPlexis Corporation | 117 |
7 |
| Dai Nippon Printing Co., Ltd. | 4119 |
6 |
| The University of Tokyo | 4222 |
6 |
| Moleculed Ltd. | 6 |
6 |
| Sony Group Corporation | 14275 |
6 |
| F. Hoffmann-La Roche AG | 7948 |
5 |
| Purdue Research Foundation | 3673 |
5 |
| Pharmacophotonics, Inc. | 22 |
5 |
| Saudi Arabian Oil Company | 13409 |
5 |
| SFC Co., Ltd. | 321 |
5 |
| Universite de Strasbourg | 684 |
5 |
| Ventana Medical Systems, Inc. | 1037 |
5 |
| Singular Genomics Systems, Inc. | 294 |
5 |
| Hoffmann-La Roche Inc. | 3478 |
4 |
| Other owners | 173 |