- 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: 30
10-year publication summary
|
1
|
3
|
3
|
3
|
5
|
0
|
1
|
1
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microworks Co., Ltd. | 126 |
3 |
| LG Chem, Ltd. | 17921 |
2 |
| Henkel AG & Co. KGaA | 10770 |
2 |
| Lanxess Deutschland GmbH | 1139 |
2 |
| SKC Co., Ltd. | 326 |
2 |
| Tokuyama Corporation | 1477 |
2 |
| Bayer MaterialScience AG | 711 |
1 |
| Dow AgroSciences LLC | 1188 |
1 |
| Toray Industries, Inc. | 7113 |
1 |
| Mitsubishi Chemical Corporation | 4724 |
1 |
| Adeka Corporation | 1377 |
1 |
| Denka Company Limited | 2720 |
1 |
| Elite Material Co., Ltd. | 95 |
1 |
| IGM Group B.V. | 66 |
1 |
| Kingfa SCI & Tech Co. Ltd. | 704 |
1 |
| Milliken & Company | 1147 |
1 |
| Mitsubishi Engineering-Plastics Corporation | 300 |
1 |
| Shanghai Kingfa Sci., & Tech. Co., Ltd. | 36 |
1 |
| Shanghai Kumhosunny Plastics Co., Ltd | 30 |
1 |
| Mianyang Changxin New Material Development Co., Ltd. | 1 |
1 |
| Other owners | 3 |