- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/29 - Compounds containing carbon-to-nitrogen double bonds
Patent holdings for IPC class C08K 5/29
Total number of patents in this class: 908
10-year publication summary
|
71
|
69
|
61
|
65
|
70
|
74
|
84
|
68
|
39
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29082 |
42 |
| BASF SE | 20616 |
27 |
| Lanxess Deutschland GmbH | 1124 |
27 |
| Nisshinbo Chemical Inc. | 135 |
22 |
| Mitsubishi Gas Chemical Company, Inc. | 3392 |
21 |
| LG Chem, Ltd. | 17464 |
20 |
| Toyobo Co., Ltd. | 2461 |
20 |
| Polyplastics Co., Ltd. | 597 |
19 |
| Teijin Limited | 1228 |
19 |
| Mitsubishi Chemical Corporation | 4465 |
15 |
| Wintech Polymer Ltd. | 95 |
15 |
| Toray Industries, Inc. | 6840 |
14 |
| Kaneka Corporation | 4500 |
14 |
| Bridgestone Corporation | 7199 |
11 |
| Kureha Corporation | 1017 |
11 |
| Rhein Chemie Rheinau GmbH | 42 |
11 |
| Sika Technology AG | 2822 |
10 |
| Unitika Ltd. | 452 |
10 |
| Daikin Industries, Ltd. | 9920 |
9 |
| Dow Global Technologies LLC | 10247 |
9 |
| Other owners | 562 |