- 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: 941
10-year publication summary
|
69
|
61
|
65
|
72
|
74
|
89
|
68
|
40
|
46
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30277 |
45 |
| BASF SE | 21129 |
32 |
| Lanxess Deutschland GmbH | 1134 |
26 |
| Nisshinbo Chemical Inc. | 148 |
24 |
| Mitsubishi Gas Chemical Company, Inc. | 3590 |
23 |
| LG Chem, Ltd. | 17840 |
21 |
| Polyplastics Co., Ltd. | 624 |
21 |
| Mitsubishi Chemical Corporation | 4673 |
17 |
| Teijin Limited | 1265 |
17 |
| Toyobo Co., Ltd. | 2520 |
17 |
| Wintech Polymer Ltd. | 93 |
15 |
| Toray Industries, Inc. | 7045 |
14 |
| Bridgestone Corporation | 7236 |
12 |
| Kaneka Corporation | 4639 |
12 |
| Kureha Corporation | 1050 |
11 |
| Rhein Chemie Rheinau GmbH | 41 |
11 |
| Samsung SDI Co., Ltd. | 9902 |
10 |
| Sika Technology AG | 2953 |
10 |
| Unitika Ltd. | 442 |
10 |
| Nitto Denko Corporation | 8470 |
9 |
| Other owners | 584 |