- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 5/62 - Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series
Patent holdings for IPC class C09B 5/62
Total number of patents in this class: 151
10-year publication summary
|
12
|
13
|
15
|
7
|
12
|
17
|
6
|
7
|
6
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
23 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1657 |
8 |
| Sony Corporation | 32931 |
7 |
| FUJIFILM Corporation | 27102 |
6 |
| BASF AG | 1258 |
5 |
| Sumitomo Chemical Company, Limited | 8808 |
5 |
| UTi Limited Partnership | 407 |
5 |
| Konica Minolta, Inc. | 8349 |
3 |
| Capacitor Sciences Incorporated | 65 |
3 |
| Sun Chemical B.V. | 351 |
3 |
| BASF (China) Co., Ltd. | 755 |
3 |
| Lleaf Pty Ltd | 4 |
3 |
| Sony Corporation of America | 322 |
2 |
| Merck Patent GmbH | 5909 |
2 |
| Panasonic Corporation | 20786 |
2 |
| Amazon Technologies, Inc. | 24422 |
2 |
| Life Technologies Corporation | 3068 |
2 |
| Toray Industries, Inc. | 6652 |
2 |
| The Trustees of Columbia University in the City of New York | 3440 |
2 |
| Council of Scientific and Industrial Research | 670 |
2 |
| Other owners | 61 |