- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/3475 - Five-membered rings condensed with carbocyclic rings
Patent holdings for IPC class C08K 5/3475
Total number of patents in this class: 545
10-year publication summary
|
49
|
49
|
55
|
44
|
39
|
46
|
29
|
32
|
41
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17926 |
37 |
| BASF SE | 21313 |
28 |
| SABIC Global Technologies B.V. | 4592 |
20 |
| Shin-Etsu Chemical Co., Ltd. | 6063 |
16 |
| Mitsui Chemicals, Inc. | 3243 |
14 |
| Miyoshi Oil & Fat Co., Ltd. | 108 |
13 |
| Adeka Corporation | 1376 |
11 |
| Sekisui Chemical Co., Ltd. | 3603 |
11 |
| Hoya Lens Thailand Ltd. | 609 |
10 |
| Mitsubishi Gas Chemical Company, Inc. | 3620 |
10 |
| Cytec Industries Inc. | 408 |
9 |
| 3m Innovative Properties Company | 17497 |
8 |
| FUJIFILM Corporation | 30479 |
8 |
| Essilor International (compagnie Generale D'optique) | 2999 |
8 |
| Idemitsu Kosan Co., Ltd. | 4228 |
7 |
| Mitsubishi Chemical Corporation | 4717 |
7 |
| INEOS Styrolution Group GmbH | 359 |
7 |
| Lotte Chemical Corporation | 784 |
6 |
| Teijin Limited | 1280 |
6 |
| Tokai Optical Co., Ltd. | 131 |
6 |
| Other owners | 303 |