- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 93/04 - Rosin
Patent holdings for IPC class C08L 93/04
Total number of patents in this class: 347
10-year publication summary
|
15
|
29
|
38
|
27
|
34
|
28
|
29
|
25
|
26
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7231 |
13 |
| Harima Chemicals, Inc. | 203 |
12 |
| Henkel AG & Co. KGaA | 10712 |
10 |
| ARAKAWA Chemical Industries, Ltd. | 148 |
10 |
| Kraton Chemical, LLC | 89 |
10 |
| Denka Company Limited | 2698 |
9 |
| Dow Global Technologies LLC | 10762 |
8 |
| The Yokohama Rubber Co., Ltd. | 4099 |
8 |
| Senju Metal Industry Co., Ltd. | 688 |
8 |
| Sumitomo Rubber Industries, Ltd. | 4712 |
7 |
| Arizona Chemical Company, LLC | 29 |
7 |
| Eastman Chemical Company | 2090 |
7 |
| Kraton Corporation | 73 |
7 |
| Ennis-flint, Inc. | 107 |
7 |
| Kraton Polymers U.S. LLC | 179 |
6 |
| 3m Innovative Properties Company | 17511 |
5 |
| Kemira Oyj | 1232 |
5 |
| Adventus Material Strategies, LLC | 17 |
5 |
| Nitto Denko Corporation | 8466 |
4 |
| Ingevity South Carolina, LLC | 191 |
4 |
| Other owners | 195 |