- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/5397 - Phosphine oxides
Patent holdings for IPC class C08K 5/5397
Total number of patents in this class: 212
10-year publication summary
|
9
|
10
|
4
|
6
|
22
|
33
|
34
|
32
|
23
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
7 |
| Xerox Corporation | 7503 |
6 |
| Canon Inc. | 36841 |
6 |
| 3m Innovative Properties Company | 18406 |
5 |
| Seiko Epson Corporation | 18724 |
5 |
| Lanxess Solutions US, Inc. | 116 |
5 |
| Agfa NV | 642 |
5 |
| Mighty Buildings, Inc. | 60 |
5 |
| Ricoh Company, Ltd. | 13266 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Chemtura Corporation | 211 |
4 |
| Elite Electronic Material (Kunshan) Co., Ltd. | 33 |
4 |
| SHPP Global Technologies B.V. | 1045 |
4 |
| Resonac Corporation | 2233 |
4 |
| BASF SE | 19740 |
3 |
| Bridgestone Corporation | 7067 |
3 |
| Henkel AG & Co. KGaA | 10129 |
3 |
| Rohm and Haas Electronic Materials Korea Ltd. | 546 |
3 |
| DuPont Toray Specialty Materials Kabushiki Kaisha | 33 |
3 |
| Hitachi Chemical Company, Ltd. | 2455 |
2 |
| Other owners | 127 |