- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 31/147 - Pyrazoles
Patent holdings for IPC class C09B 31/147
Total number of patents in this class: 19
10-year publication summary
|
1
|
3
|
0
|
1
|
0
|
0
|
2
|
2
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Chemical Corporation | 4313 |
5 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
3 |
| Pharmacyclics LLC | 240 |
3 |
| The Trustees of Indiana University | 630 |
2 |
| DyStar Colours Distribution GmbH | 172 |
1 |
| Hodogaya Chemical Co., Ltd. | 417 |
1 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
1 |
| The Board of Regents of the University of Texas System | 2043 |
1 |
| Teon Therapeutics, Inc. | 27 |
1 |
| Syntabio LLC | 1 |
1 |
| Other owners | 0 |