- 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: 533
10-year publication summary
|
49
|
46
|
51
|
43
|
37
|
44
|
28
|
31
|
41
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17744 |
37 |
| BASF SE | 21149 |
27 |
| SABIC Global Technologies B.V. | 4449 |
20 |
| Shin-Etsu Chemical Co., Ltd. | 5856 |
16 |
| Mitsui Chemicals, Inc. | 3229 |
14 |
| Miyoshi Oil & Fat Co., Ltd. | 104 |
12 |
| Adeka Corporation | 1369 |
11 |
| Sekisui Chemical Co., Ltd. | 3527 |
11 |
| Hoya Lens Thailand Ltd. | 591 |
10 |
| Mitsubishi Gas Chemical Company, Inc. | 3546 |
10 |
| Cytec Industries Inc. | 395 |
9 |
| 3m Innovative Properties Company | 17607 |
8 |
| FUJIFILM Corporation | 30016 |
8 |
| Essilor International (compagnie Generale D'optique) | 2977 |
8 |
| Idemitsu Kosan Co., Ltd. | 4232 |
7 |
| INEOS Styrolution Group GmbH | 353 |
6 |
| Lotte Chemical Corporation | 736 |
6 |
| Tokai Optical Co., Ltd. | 129 |
6 |
| Mitsubishi Engineering-Plastics Corporation | 306 |
5 |
| Sumitomo Metal Mining Co., Ltd. | 1895 |
5 |
| Other owners | 297 |