- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 3/28 - Nitrogen-containing compounds
Patent holdings for IPC class C08K 3/28
Total number of patents in this class: 996
10-year publication summary
|
66
|
88
|
99
|
75
|
76
|
80
|
72
|
76
|
76
|
42
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 6096 |
53 |
| FUJIFILM Corporation | 30514 |
31 |
| Fuji Polymer Industries Co., Ltd. | 129 |
25 |
| Tokuyama Corporation | 1477 |
25 |
| Nike, Inc. | 14820 |
22 |
| Sekisui Chemical Co., Ltd. | 3614 |
19 |
| Dow Silicones Corporation | 2114 |
17 |
| Dow Global Technologies LLC | 10944 |
15 |
| 3m Innovative Properties Company | 17478 |
11 |
| BASF SE | 21303 |
11 |
| LG Chem, Ltd. | 17921 |
10 |
| Henkel AG & Co. KGaA | 10770 |
10 |
| Denka Company Limited | 2720 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
9 |
| Daikin Industries, Ltd. | 10499 |
9 |
| Toray Industries, Inc. | 7113 |
9 |
| Mitsubishi Gas Chemical Company, Inc. | 3622 |
9 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 139 |
9 |
| Zeon Corporation | 4147 |
9 |
| Agc, Inc. | 5524 |
9 |
| Other owners | 674 |