- All sections
- C - Chemistry; metallurgy
- 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: 477
10-year publication summary
|
48
|
46
|
49
|
49
|
54
|
44
|
39
|
42
|
29
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
34 |
| BASF SE | 19740 |
23 |
| SABIC Global Technologies B.V. | 4044 |
19 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
14 |
| Mitsui Chemicals, Inc. | 3134 |
14 |
| Adeka Corporation | 1333 |
12 |
| Hoya Lens Thailand Ltd. | 447 |
11 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
10 |
| Miyoshi Oil & Fat Co., Ltd. | 82 |
10 |
| Cytec Industries Inc. | 407 |
9 |
| FUJIFILM Corporation | 27102 |
8 |
| Essilor International (compagnie Generale D'optique) | 2918 |
8 |
| Sekisui Chemical Co., Ltd. | 3159 |
8 |
| 3m Innovative Properties Company | 18406 |
7 |
| Tokai Optical Co., Ltd. | 127 |
6 |
| Idemitsu Kosan Co., Ltd. | 3995 |
5 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
5 |
| Teijin Chemicals Ltd. | 112 |
5 |
| Ticona LLC | 547 |
5 |
| Zeon Corporation | 3854 |
5 |
| Other owners | 259 |