- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/5357 - Esters of phosphonic acids cyclic
Patent holdings for IPC class C08K 5/5357
Total number of patents in this class: 103
10-year publication summary
|
9
|
9
|
8
|
10
|
9
|
9
|
14
|
7
|
4
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Teijin Limited | 1216 |
10 |
| BASF SE | 19740 |
8 |
| International Business Machines Corporation | 60644 |
4 |
| Dow Global Technologies LLC | 10147 |
4 |
| Clariant International Ltd. | 978 |
4 |
| Thor GmbH | 59 |
4 |
| Chemische Fabrik Budenheim KG | 229 |
3 |
| Daihachi Chemical Industry Co., Ltd. | 63 |
3 |
| Teijin Chemicals Ltd. | 112 |
3 |
| E. I. du Pont de Nemours and Company | 4345 |
2 |
| Fujikura Ltd. | 2777 |
2 |
| MicroVention, Inc. | 555 |
2 |
| Adeka Corporation | 1333 |
2 |
| Albemarle Corporation | 514 |
2 |
| Arkema France | 3790 |
2 |
| DuPont Teijin Films U.S. Limited Partnership | 143 |
2 |
| ICL-IP America Inc. | 136 |
2 |
| Lotte Chemical Corporation | 591 |
2 |
| Marubishi Oil Chemical Co., Ltd. | 7 |
2 |
| Nippon Sheet Glass Company, Limited | 992 |
2 |
| Other owners | 38 |