- 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: 972
10-year publication summary
|
66
|
88
|
99
|
75
|
76
|
80
|
71
|
76
|
76
|
24
|
| 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. | 5997 |
51 |
| FUJIFILM Corporation | 30327 |
31 |
| Tokuyama Corporation | 1464 |
25 |
| Fuji Polymer Industries Co., Ltd. | 128 |
24 |
| Nike, Inc. | 14720 |
22 |
| Sekisui Chemical Co., Ltd. | 3579 |
19 |
| Dow Silicones Corporation | 2076 |
16 |
| Dow Global Technologies LLC | 10845 |
15 |
| 3m Innovative Properties Company | 17491 |
11 |
| BASF SE | 21165 |
11 |
| LG Chem, Ltd. | 17883 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 33812 |
10 |
| Henkel AG & Co. KGaA | 10703 |
10 |
| Denka Company Limited | 2710 |
10 |
| Daikin Industries, Ltd. | 10401 |
9 |
| Toray Industries, Inc. | 7067 |
9 |
| Mitsubishi Gas Chemical Company, Inc. | 3599 |
9 |
| Zeon Corporation | 4129 |
9 |
| Agc, Inc. | 5383 |
9 |
| Resonac Corporation | 3277 |
9 |
| Other owners | 653 |