- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 93/04 - Rosin
Patent holdings for IPC class C08L 93/04
Total number of patents in this class: 322
10-year publication summary
|
25
|
16
|
31
|
39
|
28
|
36
|
31
|
31
|
25
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7147 |
12 |
| Harima Chemicals, Inc. | 204 |
10 |
| Kraton Chemical, LLC | 91 |
10 |
| Henkel AG & Co. KGaA | 10351 |
9 |
| ARAKAWA Chemical Industries, Ltd. | 151 |
9 |
| Denka Company Limited | 2459 |
9 |
| Eastman Chemical Company | 2258 |
8 |
| Senju Metal Industry Co., Ltd. | 676 |
8 |
| Sumitomo Rubber Industries, Ltd. | 4406 |
7 |
| The Yokohama Rubber Co., Ltd. | 3961 |
7 |
| Arizona Chemical Company, LLC | 29 |
7 |
| Ingevity South Carolina, LLC | 236 |
7 |
| Kraton Polymers U.S. LLC | 201 |
7 |
| Ennis-flint, Inc. | 101 |
7 |
| Dow Global Technologies LLC | 10156 |
6 |
| 3m Innovative Properties Company | 17957 |
5 |
| Nitto Denko Corporation | 8089 |
5 |
| Adventus Material Strategies, LLC | 21 |
5 |
| The Goodyear Tire & Rubber Company | 2568 |
4 |
| Kemira Oyj | 1210 |
4 |
| Other owners | 176 |