- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/1515 - Three-membered rings
Patent holdings for IPC class C08K 5/1515
Total number of patents in this class: 705
10-year publication summary
|
50
|
45
|
58
|
64
|
61
|
64
|
61
|
65
|
25
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17620 |
72 |
| Dow Global Technologies LLC | 10139 |
55 |
| Idemitsu Kosan Co., Ltd. | 4105 |
17 |
| Mitsubishi Engineering-Plastics Corporation | 308 |
14 |
| Toray Industries, Inc. | 6843 |
11 |
| Cargill, Incorporated | 2894 |
10 |
| Mitsubishi Chemical Corporation | 4430 |
9 |
| Zeon Corporation | 3986 |
9 |
| Midori Anzen Co., Ltd. | 107 |
8 |
| Tesa SE | 1028 |
8 |
| Iowa State University Research Foundation, Inc. | 737 |
7 |
| Novamont S.p.A. | 357 |
7 |
| Galata Chemicals LLC | 47 |
6 |
| Lanxess Deutschland GmbH | 1117 |
6 |
| Sekisui Chemical Co., Ltd. | 3295 |
6 |
| FUJIFILM Corporation | 28467 |
5 |
| Rohm and Haas Company | 2845 |
5 |
| Sabic Innovative Plastics IP B.V. | 683 |
5 |
| Showa Denko K.K. | 2341 |
5 |
| Kaneka Corporation | 4483 |
5 |
| Other owners | 435 |