- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/159 - Heterocyclic compounds having oxygen in the ring having more than two oxygen atoms in the ring
Patent holdings for IPC class C08K 5/159
Total number of patents in this class: 27
10-year publication summary
|
1
|
1
|
3
|
3
|
3
|
5
|
0
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SK Microworks Co., Ltd. | 148 |
3 |
| LG Chem, Ltd. | 17644 |
2 |
| Lanxess Deutschland GmbH | 1111 |
2 |
| SKC Co., Ltd. | 322 |
2 |
| Tokuyama Corporation | 1405 |
2 |
| Bayer MaterialScience AG | 786 |
1 |
| Dow AgroSciences LLC | 1223 |
1 |
| Toray Industries, Inc. | 6976 |
1 |
| Mitsubishi Chemical Corporation | 4538 |
1 |
| Henkel AG & Co. KGaA | 10609 |
1 |
| Adeka Corporation | 1368 |
1 |
| Denka Company Limited | 2600 |
1 |
| Elite Material Co., Ltd. | 83 |
1 |
| IGM Group B.V. | 68 |
1 |
| Kingfa SCI & Tech Co. Ltd. | 643 |
1 |
| Milliken & Company | 1191 |
1 |
| Mitsubishi Engineering-Plastics Corporation | 308 |
1 |
| Shanghai Kingfa Sci., & Tech. Co., Ltd. | 36 |
1 |
| Mianyang Changxin New Material Development Co., Ltd. | 1 |
1 |
| Mimos Bhd. | 967 |
1 |
| Other owners | 1 |