- All sections
- C - Chemistry; metallurgy
- 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: 873
10-year publication summary
|
81
|
71
|
69
|
61
|
65
|
69
|
72
|
82
|
67
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
42 |
| Lanxess Deutschland GmbH | 1104 |
26 |
| BASF SE | 19740 |
25 |
| Nisshinbo Chemical Inc. | 129 |
22 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
21 |
| Toyobo Co., Ltd. | 2286 |
20 |
| Teijin Limited | 1216 |
19 |
| LG Chem, Ltd. | 17205 |
16 |
| Polyplastics Co., Ltd. | 563 |
16 |
| Wintech Polymer Ltd. | 95 |
15 |
| Toray Industries, Inc. | 6652 |
13 |
| Mitsubishi Chemical Corporation | 4313 |
13 |
| Kaneka Corporation | 4445 |
13 |
| Bridgestone Corporation | 7067 |
11 |
| Kureha Corporation | 1026 |
11 |
| Rhein Chemie Rheinau GmbH | 42 |
11 |
| Sika Technology AG | 2650 |
10 |
| Unitika Ltd. | 441 |
10 |
| Daikin Industries, Ltd. | 9495 |
9 |
| Dow Global Technologies LLC | 10147 |
9 |
| Other owners | 541 |