- All sections
- C - Chemistry; metallurgy
- 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: 812
10-year publication summary
|
64
|
65
|
66
|
87
|
99
|
75
|
74
|
76
|
61
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5132 |
33 |
| FUJIFILM Corporation | 27102 |
30 |
| Tokuyama Corporation | 1248 |
20 |
| Nike, Inc. | 13075 |
19 |
| Dexerials Corporation | 1826 |
15 |
| Dow Global Technologies LLC | 10147 |
14 |
| Fuji Polymer Industries Co., Ltd. | 107 |
12 |
| Dow Silicones Corporation | 1664 |
12 |
| Daikin Industries, Ltd. | 9495 |
11 |
| 3m Innovative Properties Company | 18406 |
10 |
| BASF SE | 19740 |
10 |
| LG Chem, Ltd. | 17205 |
9 |
| Toray Industries, Inc. | 6652 |
9 |
| Zeon Corporation | 3854 |
9 |
| Denka Company Limited | 2189 |
8 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
8 |
| Agc, Inc. | 4029 |
8 |
| Xerox Corporation | 7503 |
7 |
| Hitachi Chemical Company, Ltd. | 2455 |
7 |
| Samsung SDI Co., Ltd. | 6671 |
7 |
| Other owners | 554 |